UPD75048CW View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75048CW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

(2) Legend of operation field

A

: A register; 4-bit accumulator

B

: B register; 4-bit accumulator

C

: C register; 4-bit accumulator

D

: D register; 4-bit accumulator

E

: E register; 4-bit accumulator

H

: H register; 4-bit accumulator

L

: L register; 4-bit accumulator

X

: X register; 4-bit accumulator

XA : Register pair (XA); 8-bit accumulator

BC : Register pair (BC); 8-bit accumulator

DE : Register pair (DE); 8-bit accumulator

HL : Register pair (HL); 8-bit accumulator

PC : Program counter

SP : Stack pointer

CY : Carry flag; or bit accumulator

PSW : Program status word

MBE : Memory bank enable flag

PORTn : Port n (n = 0 to 11)

IME : Interrupt master enable flag

IExxx : Interrupt enable flag

MBS : Memory bank selector register

PCC : Processor clock control register

.

: Delimiter of address and bit

(xx) : Contents addressed by xx

xxH : Hexadecimal data

µPD75048

40

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