UPD78C18 datasheet(73/110 Pages) NEC

73 / 110 page

µPD78C17,78C18

Note NMI can also be described as FNMI.

Identifier

Description

V, A, B, C, D, E, H, L

EAH, EAL, B, C, D, E, H, L

A, B, C

PA, PB, PC, PD, PF, MKH, MKL, ANM, SMH, SML, EOM, ETMM, TMM, MM, MCC, MA, MB, MC, MF,

TXB, TM0, TM1, ZCM

sr1

PA, PB, PC, PD, PF, MKH, MKL, ANM, SMH, EOM, TMM, RXB, CR0, CR1, CR2, CR3

sr2

PA, PB, PC, PD, PF, MKH, MKL, ANM, SMH, EOM, TMM

sr3

ETM0, ETM1

sr4

ECMT, ECPT

SP, B, D, H

rp1

V, B, D, H, EA

rp2

SP, B, D, H, EA

rp3

B, D, H

rpa

B, D, H, D+, H+, D–, H–

rpa1

B, D, H

rpa2

B, D, H, D+, H+, D–, H–, D+byte, H+A, H+B, H+EA, H+byte

rpa3

D, H, D++, H++, D+byte, H+A, H+B, H+EA, H+byte

8-bit immediate data

word

16-bit immediate data

byte

8-bit immediate data

bit

3-bit immediate data

CY, HC, Z

irf

NMINote, FT0, FT1, F1, F2, FE0, FE1, FEIN, FAD, FSR, FST, ER, OV, AN4, AN5, AN6, AN7, SB

Remarks

1. sr to sr4 (special register)

2. rp to rp3 (register pair)

4. f (flag)

PORT A

ETMM :

TIMER/EVENT

PORT B

COUNTER MODE

PORT C

EOM

TIMER/EVENT

PORT D

COUNTER OUTPUT

PORT F

MODE

MODE A

ANM

A/D CHANNEL MODE

MODE B

CR0

A/D CONVERSION

MODE C

RESULT 0 to 3

MCC

MODE CONTROL C

CR3

MODE F

TXB

TX BUFFER

MEMORY MAPPING

RXB

RX BUFFER

TM0

TIMER REG0

SMH

SERIAL MODE High

TM1

TIMER REG1

SML

SERIAL MODE Low

TMM

TIMER MODE

MKH

MASK High

ETM0 :

TIMER/EVENT

MKL

MASK Low

COUNTER REG0

ZCM

ZERO CROSS MODE

ETM1 :

TIMER/EVENT

COUNTER REG1

ECNT

TIMER/EVENT

COUNTER UPCOUNTER

ECPT

TIMER/EVENT

COUNTER CAPTURE

STACK POINTER

EXTENDED

ACCUMULATOR

(BC)

(DE)

(HL)

D+

(DE)+

H+

(HL)+

D–

(DE)–

H–

(HL)–

D++

(DE)++

H++

(HL)++

D + byte :

(DE + byte)

H + A

(HL + A)

H + B

(HL + B)

H + EA

(HL + EA)

H + byte :

(HL + byte)

NMI

NMI INPUT

FT0

INTFT0

FT1

INTFT1

INTF1

INTF2

FE0

INTFE0

FE1

INTFE1

FEIN

INTFEIN

FAD

INTFAD

FSR

INTFSR

FST

INTFST

ERROR

OVERFLOW

AN4

ANALOG INPUT 4 to 7

AN7

STANDBY

CARRY

HALF CARRY

ZERO

5. irf (interrupt flag)

INSTRUCTION SET

6.1

IDENTIFIER/DESCRIPTION OF OPERAND

3. rpa to rpa3 (rp addressing)

UPD78C18 Datasheet(PDF) 73 Page - NEC

UPD78C18 Datasheet(HTML) 73 Page - NEC

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