UPD75336 datasheet(39/68 Pages) NEC

39 / 68 page

µPD75336

(2) Operation description legend

: A register; 4-bit accumulator

: B register; 4-bit accumulator

: C register; 4-bit accumulator

: D register; 4-bit accumulator

: E register; 4-bit accumulator

: H register; 4-bit accumulator

: L register; 4-bit accumulator

: X register; 4-bit accumulator

: Register pair (XA); 8-bit accumulator

: Register pair (BC)

: Register pair (DE)

: Register pair (HL)

XA’

: Expanded register pair (XA’)

BC’

: Expanded register pair (BC’)

DE’

: Expanded register pair (DE’)

HL’

: Expanded register pair (HL’)

: Program counter

: Stack pointer

: Carry flag; bit accumulator

PSW

: Program status word

MBE

: Memory bank enable flag

RBE

: Register bank enable flag

PORTn

: Portn (n = 0 to 8)

IME

: Interrupt master enable flag

IPS

: Interrupt priority select register

×××

: Interrupt enable flag

RBS

: Register bank select register

MBS

: Memory bank select register

PCC

: Processor clock control register

•

: Address, bit delimiter

(

××)

: Contents addressed by

××

××H

: Hexadecimal data

UPD75336 Datasheet(PDF) 39 Page - NEC

UPD75336 Datasheet(HTML) 39 Page - NEC

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