IBM EM78P809N manual OTP Programming Pins

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EM78P809N

8-Bit Microcontroller

Symbol		Pin No.		Type		Function

						* P80~P83 are bi-directional I/O pins
						* P80 can be used as 8-bit Timer/Counter 3 (TC3) or external Interrupt
P80~P81		12~13		I/O		Input 3 (INT3)
P80~P81		12~13		I/O		* P81 can be used as 8-bit Timer/Counter 4 (TC4) or programmable

						divider output (PDO)
						* P80 ~ P81 can be used as pull high or pull low pins

						* P90~P97 are bi-directional I/O pins
P90~P97		4~11		I/O		* P90~P97 can be used as 8 channel 10-bit resolution A/D converter
						* P97 can be used as AD reference power supply input (VREF)

VSS		14		-		* Ground

NC		3		-		* No connection

						OTP Programming Pins
VPP		27		I		Programming voltage input

ACLK		1		I		CLK for OTP memory address increment

DATAIN		25		I/O		ROM code series input and series output pin

DINCK		26		I		ROM code input clock

PGMB		24		I		Program write enable pin. Active low.

OEB		23		I		Output enable pin. Active low.

4 •	Product Specification (V1.0) 07.26.2005

(This specification is subject to change without further notice)

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Contents EM78P809N DOC. VersionElan Microelectronics Corporation Contents Specification Revision History CPU Bit MicrocontrollerApplications „ General purposePin Assignment OTP Programming Pins Functional Block Diagram Function DescriptionOperating Registers TbktcR1/TCC − Time Clock /Counter Address 01h R2/PC − Program Counter & Stack Address 02hR3/SR − Status Register Address 03h Bit 7 ~ Bit 6 RBS1 ~ RBS0 R-Register page selectBit 5 Not used RBS1 RBS0General Purpose Register Bank Address 20H ~ 3FH Bit 0 C Carry flag R4/RSR − RAM Select Register Address 04hGRBS1 GRBS0 SIS = 0 Idle mode SIS = 1 Sleep mode PORT6 − Port 6 I/O Data Register Address 06hPORT7 Port 7 I/O Data Register Address 07h PORT8 − Port 8 I/O Data Register Address 08hTC4CR Timer/Counter 4 Control Register Address 0Bh TC4S = 1 StartTC4FF1 TC4FF0 TC4CK2 TC4CK1 TC4CK0Bit Microcontroller TC4D − Timer 4 Data Buffer Address 0Ch ISFR1 − Interrupt Status Flag Register 1 Address 0EhBit 7 TC3CAP Software capture control TC3CAP =TC3S = 1 Start TC3CAP TC3S TC3CK1 TC3CK0 TC3MTC3DB − Timer 3 Data Buffer B Address 07h TC2M = 1 Window modeBit 7 ~ Bit 6 ADD1 ~ ADD0 AD low 2-bit data buffer TC2S = 1 StartAdcr − AD Control Register Address 0Bh TC2DH − Timer 2 Data Buffer High Byte Address 09hTC2DL − Timer 2 Data Buffer Low Byte Address 0Ah Bit 3 ADP AD power control Bit 7 ~ Bit 0 ADE7 ~ ADE0 AD input pin enable controlAdic − AD Input Pin Control Address 0Ch Addh − AD High 8-bit Data Buffer Address 0DhBit 7 TEN Keytone enable control TEN = 0 Disable TEN = 1 EnableBit 3 Tbten Time Base Timer Enable Control Bit Microcontroller Tbktc − TBT/Keytone Control Address 0EhBit 3 Uinven Enable Uart TXD and RXD port inverse output Uinven = 0 Disable TXD and RXD port inverse outputUinven = 1 Enable TXD and RXD port inverse output Bit 4 ~ Bit 2 BRATE2 ~ BRATE1 Transmit Baud Rate SelectEven = 0 Odd parity Even = 1 Even parity Bit 5 PRE Enable parity additionBit Microcontroller URS − Uart Status Register Address 07h Bit 2 EDS Data shift out edge select EDS = 0 Rising edge EDS = 1 Falling edgeSMP Dcol BRS2 BRS1 EDS Dord WBETransfer Mode SPIC2 − SPI Control Register 2 Address 06hSpid SPI Data Buffer Address 07h SPID7 SPID6 SPID5 SPID4 SPID3 SPID2 SPID1 SPID0PLE7x = 1 Disable P7x pull low PLC1 Pull Low Control Register 1 Address 0BhPHC2 − Pull High Control Register 2 Address 0Ch PLC2 − Pull Low Control 2 Address 0DhSpecial Purpose Registers AccumulatorControl Register Bit 7 Wdto WDT output selectBit Microcontroller IOC6 ~ IOC9 − I/O Port Control Register Intcr − INT Control Register Address 0BhBit 2 Reserved INT1ES = 0 Rising edge INT1ES = 1 Falling edgeINT Pin Secondary Enable Condition Function Pin External InterruptAdoscr − AD Offset Control Register Address 0Ch EdgeIMR2 − Interrupt Mask Register 2 Address 0Fh Uerrie Urie Utie Tbie EXIE1 TCIE0CPU Operation Mode Registers for CPU operation modeRbank Register Bank bits 7, 6 of R3, R/W Read/Write RbankNormal Mode Switching ControlOperation Mode Registers for AD Converter Circuit AD Converter→ Don’t care → Interrupt request flag will be recorded Conversion Time ADC Data RegisterSampling Time Max. Frequency Max. Conversion Rate per Bit Time Base Timer and Keytone GeneratorADCK10 Tone Output Pin Timing Chart Rbank Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit Uart Universal Asynchronous Receiver/TransmitterRegisters for Uart Circuit Uart Mode Data Format in UartTransmitting ReceivingRegisters for the SPI Circuit SPI Serial Peripheral InterfaceBaud Rate Generator Shift Direction and Sample Phase Transfer ModeBit Transmit Mode Serial ClockBit Microcontroller Bit Receive Mode Bit Transmit/Receive ModeSCK pin Multiple Device Connect /SSRbank Address Name Bit 7 Bit 6 Bit Timer/CounterRegisters for Timer/Counter 2 Circuit Window Mode Timer ModeCounter Mode Window Mode Timing Chart Registers for Timer/Counter 3 CircuitCapture mode Configuration of Timer/Counter3Registers for Timer 4 Circuit TCIF4PDO Mode TCR4TC4 Interrupt PWM Mode12 TCC/WDT & Prescaler 13 I/O Ports Reset and Wake-upReset All interrupt Wake-up from Sleep ModeWake-up from Idle mode Address Name Reset Type Bit Summary of the Initialized Values for RegistersBit Microcontroller Register Bank SCRTC2D9 TC2D8 Register Bank Previous value before reset Reset TypeStatus of RST, T, and P of Status Register Bit Microcontroller General Purpose RegistersController Reset Block Diagram InterruptOscillator Oscillator ModesCrystal Oscillator/Ceramic Resonators Crystal Summary of Maximum Operating SpeedsOscillator Type Frequency Mode C1 pF C2 pF EM78P809NExt. Clock 740External RC Oscillator Mode Crystal/Resonator-Parallel Mode CircuitEnwdtb = 0 Enable Enwdtb = 1 Disable Code Option RegisterCode Option Register Word For design reference onlyPower-on Considerations External Power-on Reset CircuitCustomer ID Register Cyes = 0 One cycle Cyes = 1 Two cyclesResidue-Voltage Protection VddEM78P809N Rin Vdd EM78P809NInstruction Set Vdd 40KR2Binary Instruction Hex Mnemonic Operation Status Affected DECSymbol Parameter Condition Min Typ Max Unit Absolute Maximum RatingsRecommended Operating Conditions Vss =Typical value is based on characterization results at 25C DC Electrical CharacteristicsTa= 25 C, VDD= 5.0V ± 5%, VSS= Ta= 25 C, VDD= 3.0V ± 5%, VSS= Varef AC Electrical Characteristic Symbol Parameter Conditions Min Typ Max UnitTa=- 40C ~ 85 C, VDD=5V ± 5%, VSS=0V = selected prescaler ratioTiming Diagram AC Test Input/Output WaveformPin Count Package Size Package TypesOTP MCU Contents III EM78P809N