UPD75P3018A データシートの表示（PDF） - NEC => Renesas Technology

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UPD75P3018A

4-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

(2) Operation legend

A

: A register; 4-bit accumulator

B

: B register

C

: C register

D

: D register

E

: E register

H

: H register

L

: L register

X

: X register

XA

: Register pair (XA); 8-bit accumulator

BC

: Register pair (BC)

DE

: Register pair (DE)

HL

: Register pair (HL)

XA’ : Expansion register pair (XA’)

BC’ : Expansion register pair (BC’)

DE’ : Expansion register pair (DE’)

HL’

: Expansion register pair (HL’)

PC

: Program counter

SP

: Stack pointer

CY

: Carry flag; bit accumulator

PSW : Program status word

MBE : Memory bank enable flag

RBE : Register bank enable flag

PORTn : Port n (n = 0 to 7)

IME : Interrupt master enable flag

IPS : Interrupt priority selection register

IEXXX : Interrupt enable flag

RBS : Register bank selection register

MBS : Memory bank selection register

PCC : Processor clock control register

.

: Delimiter for address and bit

(XX) : Addressed data

XXH : Hexadecimal data

µPD75P3018A

Data Sheet U11917EJ2V0DS00

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