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Samsung S3C9228/P9228, 8-Bit CMOS Microcontroller user manual Clock Circuits

Models: S3C9228/P9228 8-Bit CMOS Microcontroller

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Operating Mode Characteristics Block Diagram Common COM Signals Chapter Timer Instruction Set Symbols P0.2/INT Configuration Bits RCF Reset Carry Flag Call Call Procedure Interrupt Service Routines P3.1s Interrupt Enable Bit

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CLOCK CIRCUITS	S3C9228/P9228

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Samsung S3C9228/P9228, 8-Bit CMOS Microcontroller user manual Clock Circuits

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Contents

S3C9228/P9228 S3C9228/P9228 Important Notice Preface Page Table of Contents Chapter Control Registers Part II Hardware Descriptions Chapter Timer Table of Contents Concluded Page List of Figures Title Number Xii 10-4 List of Figures Concluded List of Tables Page Interrupt Structure Description Number Address SpacesClock Circuits Page List of Register Descriptions Register Full Register Name Identifier NumberPage List of Instruction Descriptions Instruction Full Instruction Name Mnemonic Number Product Overview CPU Block Diagram 44-QFP S3C9228 44-QFP Pin Assignments S3C9228 42-SDIP S3C9228 42-SDIP Pin Assignments PIN Descriptions XTOUT, Xtin PIN Circuit Diagrams Pin Circuit Type E-4 Pin Circuit Type H-23 10. Pin Circuit Type H-32 12. Pin Circuit Type H-32B Address Spaces Program Memory ROM Register Architecture Common Working Register Area C0H-CFH Stack Operations Stack Pointer SP Push SYM Addressing Modes Register Addressing Mode R Register Addressing Indirect Register Addressing Mode IR Indirect Register Addressing to Register File Indirect Register Addressing Mode Indirect Register Addressing to Program Memory Indirect Working Register Addressing to Register File Indirect Register Addressing Mode Concluded Indexed Addressing Mode Indexed Addressing to Register File Indexed Addressing Mode Indexed Addressing Mode Concluded Direct Address Mode DA 10. Direct Addressing for Load Instructions Direct Address Mode 11. Direct Addressing for Call and Jump Instructions Relative Address Mode RA Immediate Mode IM Control Registers Hex BAH Bit Identifier Reset Value Read/Write Flags System Flags Register Adcon A/D Converter Control Register D0H Basic Timer Counter Clear Bit Btcon Basic Timer Control RegisterBasic Timer Input Clock Selection Bits DCH Bits Clkcon System Clock Control RegisterD4H CPU Clock System Clock Selection Bits Flags System Flags Register D5H INTPND1 Interrupt Pending Register D6H INTPND2 Interrupt Pending Register D7H Lmod LCD Mode Control Register FEH Lpot LCD Port Control Register D8H Main Oscillator Control Bit Osccon Oscillator Control RegisterD3H Sub Oscillator Control Bit P0.0/TAOUT/INT Configuration Bits P0.2/INT Configuration BitsP0.1/T1CLK/INT Configuration Bits P0CON Port 0 Control Register P0INT -Port 0 Interrupt Enable Register EDH P0PUR -Port 0 Pull-up Resistors Enable Register ECH P0EDGE -Port 0 Interrupt Edge Selection Register EEH P1.0/AD0/INT Configuration Bits P1.2/AD2/INT Configuration BitsP1.1/AD1/INT Configuration Bits P1CON Port 1 Control Register P1INT -Port 1 Interrupt Enable Register F1H P1PUR -Port 1 Pull-up Resistors Enable Register F0H P1EDGE -Port 1 Interrupt Edge Selection Register F2H P2.0/SCK Configuration Bits P2.2/SI Configuration BitsP2.1/SO Configuration Bits P2CON Port 2 Control Register P2PUR -Port 2 Pull-up Resistors Enable Register F4H P3CON Port 3 Control Register P3.1/SEG2/INTP Configuration BitsP3.0/SEG3/INTP Configuration Bits F5H P3.0s Interrupt Enable Bit P3INT -Port 3 Interrupt Enable RegisterP3.1s Interrupt Enable Bit F7H P3.0s Pull-up Resistor Enable Bit P3PUR -Port 3 Pull-up Resistors Enable RegisterP3.1s Pull-up Resistor Enable Bit F6H P3EDGE -Port 3 Interrupt Edge Selection Register P3.1s Interrupt State Setting BitP3.0s Interrupt State Setting Bit F8H P4.4/SEG8 Configuration Bits P4.6/SEG10 Configuration BitsP4.5/SEG9 Configuration Bits P4CONH Port 4 Control Register High Byte P4.0/SEG4 Configuration Bits P4.2/SEG6 Configuration BitsP4.1/SEG5 Configuration Bits P4CONL-Port 4 Control Register Low Byte P5.4/SEG16/COM7 Configuration Bits P5.6/SEG18/COM5 Configuration BitsP5.5/SEG17/COM6 Configuration Bits P5CONH Port 5 Control Register High Byte P5.0/SEG12 Configuration Bits P5.2/SEG14 Configuration BitsP5.1/SEG13 Configuration Bits P5CONL Port 5 Control Register Low Byte P6.0/COM3 Configuration Bits P6.2/COM1 Configuration BitsP6.1/COM2 Configuration Bits P6CON Port 6 Control Register High Byte Siocon SIO Control Register E1H Stpcon Stop Control Register Bit Identifier Reset Value Read/Write Stop Control BitsE0H DFH SYM System Mode RegisterGlobal Interrupt Enable Bit Selection Bits Tacon Timer 1/A Control Register BBH Tbcon Timer B Control Register BAH Wtcon Watch Timer Control Register DAH ENABLE/DISABLE Interrupt Instructions EI, DI Interrupt Processing Control Points Interrupt Pending Function Types Interrupt Priority Interrupt Service Routines Interrupt Source Service SequenceGenerating Interrupt Vector Addresses S3C9228/P9228 Interrupt Structure S3C9228/P9228 Interrupt Structure Programming Tip How to clear an interrupt pending bit Examples Register Addressing Addressing Modes Arithmetic Instructions Instruction Group SummaryMnemonic Operands Instruction Load Instructions Logic Instructions Rotate and Shift Instructions Bit Manipulation InstructionsCPU Control Instructions Flags Register Flags Flag Descriptions Instruction SET Notation Instruction Set SymbolsSymbol Description Flag Notation Conventions IRR Opcode Quick Reference Opcode MAP Lower Nibble HEX INC NOP Condition Codes Condition Codes Binary Mnemonic Description Flags Set Instruction Descriptions ADC Add With Carry Format Bytes Cycles Opcode Addr Mode Hex Dst SrcFlags ADD Add Logical Call Call Call ProcedureBytes Cycles Opcode Addr Mode Hex Dst Operation Format Bytes Cycles Opcode Hex CCF Complement Carry FlagCCF Example CLR Clear Format Bytes Cycles Opcode Addr Mode Hex DstCLRdst Operation dst ¨ COM Complement COMdst CP Compare INC Skip DEC Decrement DEC DI Disable Interrupts Operation SYM 2 ¨ EI Enable Interrupts Idle Idle Operation Idle INC Increment INCdst Operation Flags ¨ @SP Iret Interrupt ReturnIretiret Iret JP Jump Labelw Bytes Cycles Opcode Addr Mode Hex Dst CcB JR Jump Relative LD Load SAM88RI Instruction SET LDC/LDE Load Memory Bytes Cycles Opcode Addr Mode Hex Dst SrcLDC/LDE dst,src Operation dst ¨ src LDC note LDCD/LDED Load Memory and Decrement Bytes Cycles Opcode Addr Mode Hex Dst Src IrrLDCD/LDED dst,src Operation dst ¨ src LDCI/LDEI Load Memory and Increment LDCI/LDEI dst,src Operation dst ¨ src NOP No Operation NOP Or Logical or POP Pop From Stack POPdst Operation dst ¨ @SP Push Push To Stack PUSHsrc Operation SP ¨ SP RCF Reset Carry Flag RCF RET RET ReturnOperation PC ¨ @SP RL Rotate Left Operation ¨ dst RLC Rotate Left Through Carry RLCdst Operation dst 0 ¨ C RR Rotate Right RRC Rotate Right Through Carry RRCdst Operation dst 7 ¨ C SBC Subtract With Carry SBC SCF Set Carry Flag SCF SRA Shift Right Arithmetic SRA Stop Stop Operation Stop SUB Subtract SUB TCM Test Complement Under Mask TM Test Under Mask Operation dst and src XOR Logical Exclusive or System Clock Circuit CPU Clock Notation Main Oscillator Circuits SUB Oscillator Circuits Clock Status During POWER-DOWN Modes System Clock Circuit Diagram System Clock Control Register Clkcon System Clock Control Register Clkcon Oscillator Control Register Osccon Oscillator Control Register Osccon Switching the CPU Clock +PROGRAMMING TIP Switching the CPU clock Stop Control Register Stpcon Clock Circuits Reset and POWER-DOWN Overview Using Reset to Release Stop Mode Stop ModeUsing an External Interrupt to Release Stop Mode Idle Mode Using an Internal Interrupt to Release Stop ModeIdle Mode Release Hardware Reset Values Port 0 Pull-up Resistors Enable Register Reset and POWER-DOWN S3C9228/P9228 S3C9228 Port Configuration Overview Configuration Options O Ports Port Data Registers S3C9228 I/O Port Data Register Format Port 0 Control register P0CON PortPort 0 Pull-up Resistor Control Register P0PUR Port 0 Interrupt Control Register P0INT Port 0 Interrupt Pending Bits INTPND1.3-.0 Port 1 Control Register P1CON Port 1 Pull-up Resistor Control Register P1PUR Port 1 Interrupt Control Register P1INT 10. Port 1 Interrupt Edge Selection Register P1EDGE Port 2 Control Register P2CON Port 2 Pull-up Resistor Control Register P2PUR 13. Port 2 Pull-up Control Register P2PUR Port 3 Control Register P3CON Port 3 Pull-up Resistor Control Register P3PUR 15. Port 3 Interrupt Control Register P3INT 17. Port 3 Interrupt Edge Selection Register P3EDGE Port 4 Control Registers P4CONH, P4CONL 19. Port 4 High-Byte Control Register P4CONH Port 5 Control Registers P5CONH, P5CONL 21. Port 5 High-Byte Control Register P5CONH Port 6 Control Register P6CON 23. Port 6 Control Register P6CON Basic Timer Basic Timer Control Register Btcon Basic Timer Control Register Btcon Watchdog Timer Function Basic Timer Function DescriptionOscillation Stabilization Interval Timer Function Basic Timer Block Diagram Interval Timer Function Function Description Timer 1 Control Register Tacon BBH, R/W MSB LSB Timer 1 Block Diagram One 16-bit Mode TWO 8-BIT Timers Mode Timer a and B Timer a and B Control Register TACON, Tbcon Timer a Control Register Tacon Timer B Control Register Tbcon Interval Timer Function Timer a and Timer B Timer a Block DiagramTwo 8-bit Timers Mode Timer B Block Diagram Two 8-bit Timers Mode 11-10 Watch Timer Watch Timer Control Register Wtcon Watch Timer Control Register Wtcon Watch Timer Circuit Diagram 12-4 LCD CONTROLLER/DRIVER LCD Circuit Diagram LCD Circuit Diagram LCD RAM Address Area SEG0 SEG1 SEG2 SEG3 SEG17 SEG18 SEG19 LCD Mode Control Register Lmod LCD Mode Control Register Lmod LCD Port Control Register LCD Port Control Register LCD Voltage Dividing Resistors Common COM SignalsSegment SEG Signals Bias LCD Signal Waveforms 1/8 Duty, 1/4 Bias LCD Signal Waveforms 1/4 Duty, 1/3 Bias LCD Signal Waveforms 1/3 Duty, 1/3 Bias 13-10 14 10-BIT ANALOG-TO-DIGITAL Converter Conversion Timing Converter Control Register Adcon A/D Converter Data Register ADDATAH/ADDATAL Internal Reference Voltage Levels S3C9228 Programming Procedure Serial I/O Interface SIO Control Registers Siocon Serial I/O Module Control Register Siocon SIO PRE-SCALER Register Siops SIO Prescaler Register Siops Serial I/O Timing Diagram SIO Electrical Data Parameter Symbol Conditions Min Typ Max Unit Parameter Symbol Conditions Rating UnitD.C. Electrical Characteristics Absolute Maximum Ratings XOUT, XTIN, Xtout D.C. Electrical Characteristics Concluded Data Retention Supply Voltage in Stop Mode ~ ~ ~ ~ TA = 25 C, VDD = 0 A.C. Electrical Characteristics A/D Converter Electrical Characteristics Input Timing for External Interrupts Input Timing for Reset Sub Oscillation Characteristics Main Oscillation CharacteristicsUnits Main Oscillation Stabilization Time Oscillator Test Condition Min Typ Max Unit 10. Sub Oscillation Stabilization Time Clock Timing Measurement at Xtin 16-13 16-14 Mechanical Data QFP-1010B 18 S3P9228 OTP S3P9228 42-SDIP Pin Assignments Operating Mode Characteristics PP Test REG/MEM 18-4 Standard Operating Voltage Range S3P9228 OTP S3C9228/P9228 18-6 SASM86 ShineSama Assembler HEX2ROM Smds Product Configuration SMDS2+ SM1347A TB9228 Target Board Power Selection Settings for TB9228 To UserV CC Operating Mode Comments Settings Idle LED SMDS2+ Tool Selection Setting SW1 Setting Operating ModeSMDS2+ Selection SAM8 Stop LED Connectors J101, J102 for TB9228 S3C9228 Probe Adapter for 42-SDIP Package 19-8 Product Overview Features Block Diagram S3C9228 S3C9228 42-SDIP PIN Descriptions VDD, VSS PIN Circuit Diagrams Pin Circuit Type E-4 Pin Circuit Type H-23 10. Pin Circuit Type H-32 12. Pin Circuit Type H-32B Address Spaces Program Memory ROM Register Architecture Common Working Register Area C0H-CFH System Stack Push SYM Addressing Modes Register Addressing Mode R Indirect Register Addressing Mode IR Indirect Register Addressing to Program Memory Indirect Working Register Addressing to Register File Indirect Register Addressing Mode Concluded Indexed Addressing Mode Indexed Addressing Mode Indexed Addressing Mode Concluded Direct Address Mode DA 11. Direct Addressing for Call and Jump Instructions Relative Address Mode RA Control Registers Hex Tbcon Register Description Format Adcon A/D Converter Control Register Btcon Basic Timer Control Register Clkcon System Clock Control Register Flags System Flags Register INTPND1 Interrupt Pending Register INTPND2 Interrupt Pending Register Lmod LCD Mode Control Register Lpot LCD Port Control Register Osccon Oscillator Control Register P0CON Port 0 Control Register P0INT -Port 0 Interrupt Enable Register P0PUR -Port 0 Pull-up Resistors Enable Register P0EDGE -Port 0 Interrupt Edge Selection Register P1CON Port 1 Control Register P1INT -Port 1 Interrupt Enable Register P1PUR -Port 1 Pull-up Resistors Enable Register P1EDGE -Port 1 Interrupt Edge Selection Register P2CON Port 2 Control Register P2PUR -Port 2 Pull-up Resistors Enable Register P3CON Port 3 Control Register P3INT -Port 3 Interrupt Enable Register P3PUR -Port 3 Pull-up Resistors Enable Register P3EDGE -Port 3 Interrupt Edge Selection Register P4CONH Port 4 Control Register High Byte FAH P5CONH Port 5 Control Register High Byte P5CONL Port 5 Control Register Low Byte P6CON Port 6 Control Register High Byte Siocon SIO Control Register Stpcon Stop Control Register SYM System Mode Register Tacon Timer 1/A Control Register Tbcon Timer B Control Register Wtcon Watch Timer Control Register Interrupt Structure Interrupt Pending Function Types Interrupt Source Service Sequence S3C9228/P9228 Interrupt Structure S3C9228/P9228 Interrupt Structure Programming Tip How to clear an interrupt pending bit SAM88RCRI Instruction SET Instruction Group Summary Bit Manipulation Instructions Flags Register Flags Instruction SET Notation IRR Opcode MAP Lower Nibble HEX Idle Condition Codes Instruction Descriptions ADC Add With Carry ADD Add Logical Call Call Procedure CCF Complement Carry Flag CLR Clear COM Complement CP Compare DEC Decrement DI Disable Interrupts EI Enable Interrupts Idle Idle Operation INC Increment Iret Interrupt Return JP Jump JR Jump Relative LD Load SAM88RI Instruction SET LDC/LDE Load Memory LDC LDCD/LDED Load Memory and Decrement LDCI/LDEI Load Memory and Increment NOP No Operation Or Logical or POP Pop From Stack Push Push To Stack RCF Reset Carry Flag RET Return RL Rotate Left RLC Rotate Left Through Carry RR Rotate Right RRC Rotate Right Through Carry SBC Subtract With Carry SCF Set Carry Flag SRA Shift Right Arithmetic Stop Stop Operation SUB Subtract TCM Test Complement Under Mask TM Test Under Mask XOR Logical Exclusive or Clock Circuits Main Oscillator Circuits Clock Status During POWER-DOWN Modes System Clock Control Register Clkcon Oscillator Control Register Osccon Switching the CPU Clock Stop Control Register Stpcon Clock Circuits Reset and POWER-DOWN POWER-DOWN Modes Idle Mode Hardware Reset Values SYM Reset and POWER-DOWN S3C9228/P9228 O Ports Port Data Registers Port Port 0 Interrupt Control Register P0INT Port 0 Interrupt Pending Bits INTPND1.3-.0 Port Port 1 Interrupt Control Register P1INT 10. Port 1 Interrupt Edge Selection Register P1EDGE Port 13. Port 2 Pull-up Control Register P2PUR 14. Port 3 Control Register P3CON 15. Port 3 Interrupt Control Register P3INT 17. Port 3 Interrupt Edge Selection Register P3EDGE Port 21. Port 5 High-Byte Control Register P5CONH 23. Port 6 Control Register P6CON Basic Timer Basic Timer Control Register Btcon Basic Timer Function Description Basic Timer Block Diagram Timer Timer 1 Control Register Tacon Timer 1 Block Diagram One 16-bit Mode TWO 8-BIT Timers Mode Timer a and B Timer a Control Register Tacon Timer B Control Register Tbcon Function Description Timer a Block DiagramTwo 8-bit Timers Mode Timer B Block Diagram Two 8-bit Timers Mode 11-10 Watch Timer Watch Timer Control Register Wtcon Watch Timer Circuit Diagram 12-4 LCD CONTROLLER/DRIVER LCD Circuit Diagram LCD RAM Address Area LCD Mode Control Register Lmod LCD Port Control Register S3C9228/P9228 LCD Signal Waveforms 1/8 Duty, 1/4 Bias LCD Signal Waveforms 1/4 Duty, 1/3 Bias LCD Signal Waveforms 1/3 Duty, 1/3 Bias 13-10 14 10-BIT ANALOG-TO-DIGITAL Converter Conversion Timing Block Diagram S3C9228 Serial I/O Interface SIO Control Registers Siocon SIO Block Diagram Serial I/O Timing Diagram SIO Electrical Data Absolute Maximum Ratings XOUT, XTIN, Xtout D.C. Electrical Characteristics Concluded ~ ~ ~ ~ TA = 25 C, VDD = 0 A.C. Electrical Characteristics Input Timing for External Interrupts Input Timing for Reset Main Oscillation Characteristics Clock Timing Measurement at XIN Clock Timing Measurement at Xtin Operating Voltage Range 16-14 Mechanical Data QFP-1010B 18 S3P9228 OTP S3C9228 42-SDIP Operating Mode Characteristics D.C. Electrical Characteristics Standard Operating Voltage Range S3P9228 OTP S3C9228/P9228 18-6 Development Tools Smds Product Configuration SMDS2+ TB9228 Power Selection Settings for TB9228 Idle LED Connectors J101, J102 for TB9228 S3C9228 Probe Adapter for 42-SDIP Package 19-8

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