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IBM EM78P447N Timing Diagram, This specification is subject to change without further notice

Models: EM78P447N

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EM78P447N

8-Bit Microcontroller with OTP ROM

4.13 Timing Diagram

AC Test Input/Output W aveform

2.4
2.0	2.0
0.8	TEST POINTS
0.8	0.8
0.4

AC Testing : Input is driven at 2.4V for logic "1",and 0.4V for logic "0".Tim ing measurements are made at 2.0V for logic "1",and 0.8V for logic "0".

RESET Timing (CLK="0")

	N O P	Instruction 1
	N O P	Executed
		Executed

C LK

/RESET

T drh

TCC Input Timing (CLKS="0")

T ins

C LK

TC C

Ttcc

Product Specification (V1.1) 03.30.2005

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(This specification is subject to change without further notice)

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IBM EM78P447N Timing Diagram, This specification is subject to change without further notice, Test Points, Instruction

Contents

EM78P447N Product Specification8-Bit Microcontroller with OTP ROM ELAN MICROELECTRONICS CORPCopyright 2005 by ELAN Microelectronics Corporation Trademark AcknowledgmentsAll Rights Reserved ELAN MICROELECTRONICS CORPORATIONFEATURES ContentsDC ELECTRICAL CHARACTERISTICS Specification Revision HistoryDC Electrical Characteristic AC Electrical Characteristic1 GENERAL DESCRIPTION 2 FEATURESEM78P447N EM78P447N Programmable free running watchdog timerThis specification is subject to change without further notice 3 PIN ASSIGNMENTEM78P447N Fig. 1 Pin AssignmentTable 1 EM78P447NAP and EM78P447NAM Pin Description EM78P447NTable 2 EM78P447NAS Pin Description Table 3 EM78P447NBP and EM78P447NBWM Pin Description EM78P447NTable 4 EM78P447NCK and EN78P447NCM Pin Description Fig. 2 Functional Block Diagram 4 FUNCTION DESCRIPTIONEM78P447N Table 5 EM78P447NDK and EM78P447NDM Pin Description4.1.1 R0 Indirect Addressing Register 4.1 Operational Registers4.1.2 R1 Time Clock /Counter 4.1.3 R2 Program Counter & StackEM78P447N Reset VectorFig. 3 Program Counter Organization 00 PAGE0 0000~03FFEM78P447N Fig. 4 Data Memory Configuration4.1.6 R5~R7 Port 5 ~ Port7 4.1.5 R4 RAM Select Register4.1.7 R8~R1F and R20~R3E General Purpose Register EM78P447N4.1.8 R3F Interrupt Status Register 4.2 Special Purpose Registers4.2.1 A Accumulator 4.2.2 CONT Control Register4.2.4 IOCB Wake-up Control Register for Port6 4.2.3 IOC5 ~ IOC7 I/O Port Control RegisterEM78P447N EM78P447N 4.2.5 IOCE WDT Control RegisterFig. 5 Sleep Mode and Wake-Up Circuits on I/O Ports Block Diagram 4.2.6 IOCF Interrupt Mask RegisterEM78P447N Fig. 6 TCC and WDT Block Diagram 4.3 TCC/WDT & PrescalerEM78P447N EM78P447N 4.4 I/O PortsFig. 7 a The I/O Port and I/O Control Register Circuit Fig.7 b The I/O Port with R-Option P70, P71 Circuit4.5.1 RESET 4.5 RESET and Wake-upEM78P447N Table 6 Usage of Sleep1 and Sleep2 Mode EM78P447NTable 7 The Summary of the Initialized Values for Registers EM78P447N0x09~0x3E EM78P447NEM78P447N 4.5.2 The Status of RST, T, and P of STATUS RegisterFig. 8 Controller Reset Block Diagram 4.6 InterruptEM78P447N 4.7.1 Oscillator Modes 4.7 OscillatorEM78P447N Fig. 9 Interrupt Input CircuitEM78P447N 4.7.2 Crystal Oscillator/Ceramic ResonatorsXTALFig. 10 Crystal/Resonator Circuit Fig. 11 Crystal/Resonator CircuitEM78P447N 4.7.3 External RC Oscillator ModeFig. 12 External RC Oscillator Mode Circuit 4.8.1 Code Option Register Word 4.8 CODE Option RegisterEM78P447N Bit 8 CLKS Instruction period option bit 0 two oscillator periods EM78P447N4.10 External Power On Reset Circuit 4.9 Power On ConsiderationsRESET 4.8.2 Customer ID Register WordVdd EM78P447N RESET 4.11 Residue-Voltage ProtectionVdd EM78P447N RESET EM78P447NEM78P447N 4.12 Instruction SetINSTRUCTION EM78P447NMNEMONIC OPERATIONThis instruction is applicable to IOC5 ~ IOC7, IOCB, IOCE, IOCF only EM78P447NThis instruction is not recommended for R3F operation This instruction cannot operate under R3FThis specification is subject to change without further notice 4.13 Timing DiagramEM78P447N TEST POINTSDC Electrical Characteristic DC ELECTRICAL CHARACTERISTICS5 ABSOLUTE MAXIMUM RATINGS EM78P447NEM78P447N 8-Bit Microcontroller with OTP ROM AC Electrical CharacteristicEM78P447N 6.3 Device characteristicEM78P447N This specification is subject to change without further noticeFig.18 Port5, Port6 and Port7 Voh vs. Ioh,VDD=5VEM78P447N This specification is subject to change without further noticeVoh/Ioh VDD=3V IohmAEM78P447N This specification is subject to change without further noticeVol/Iol VDD=5V IolmAEM78P447N This specification is subject to change without further noticeVol/Iol VDD=3V IolmAEM78P447N This specification is subject to change without further noticeVol/Iol IolmAEM78P447N This specification is subject to change without further noticeVol/Iol IolmAThis specification is subject to change without further notice WDT TimeoutEM78P447N periodR=3.3k EM78P447NR=5.1k R=10kEM78P447N ICC1：VDD=3V, Fosc=32 kHz, 2clock, WDT disableFig. 29 Typical Operating Current（ICC3 and ICC4） vs. Temperature Fig. 28 Maximum Operating Current（ICC1 and ICC2） vs. TemperatureEM78P447N Max ICC2Temperature Maximum ICC3 and ICC4 vs. TemperatureFig. 30 Maximum Operating Current（ICC3 and ICC4） vs. Temperature Fig. 31 Typical Standby Current（ISB1 and ISB2） vs. TemperatureFig. 33 Operating Voltage In Temperature Range from -40 to Fig. 32 Maximum Standby Current（ISB1 and ISB2） vs. TemperatureEM78P447N Max ISB2EM78P447N This specification is subject to change without further noticeFig. 34 EM78P447N I-V Curve Operating at 4 MHz Fig. 35 EM78P447N I-V Curve Operating at 32.768 kHzB Package Information APPENDIX A Package TypesEM78P447N 20-Lead plastic dual inline package（DIP）－ 300 milEM78P447N This specification is subject to change without further notice24-Lead plastic dual inline skinny package（DIP）－ 300 mil 28-Lead plastic dual inline package（DIP）－ 600 milEM78P447N This specification is subject to change without further notice32-Lead plastic dual inline package（DIP）－ 600 mil 20-Lead plastic small outline package（SOP）－ 300 milEM78P447N This specification is subject to change without further notice24-Lead plastic small outline package（SOP）－ 300 mil 28-Lead plastic small outline package（SOP）－ 300 milEM78P447N This specification is subject to change without further notice32-Lead plastic small outline package（SOP）－ 300 mil 28-Lead Shrink Small Outline Package（SSOP）－ 209 mil

4.13 Timing Diagram

TEST POINTS

Instruction 1

Executed