UPD75P3116 NEC, UPD75P3116 Datasheet - Page 19

• Manufacturer Part Number: UPD75P3116
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

(2) Operation legend
A
B
C
D
E
H
L
X
XA
BC
DE
HL
XA’
BC’
DE’
HL’
PC
SP
CY
PSW
MBE
RBE
PORTn : Port n (n = 0 to 3, 5, 6, 8, 9)
IME
IPS
IEXXX
RBS
MBS
PCC
.
(XX)
XXH
: A register; 4-bit accumulator
: B register
: C register
: D register
: E register
: H register
: L register
: X register
: Register pair (XA); 8-bit accumulator
: Register pair (BC)
: Register pair (DE)
: Register pair (HL)
: Expansion register pair (XA’)
: Expansion register pair (BC’)
: Expansion register pair (DE’)
: Expansion register pair (HL’)
: Program counter
: Stack pointer
: Carry flag; bit accumulator
: Program status word
: Memory bank enable flag
: Register bank enable flag
: Interrupt master enable flag
: Interrupt priority selection register
: Interrupt enable flag
: Register bank selection register
: Memory bank selection register
: Processor clock control register
: Delimiter for address and bit
: Addressed data with xx
: Hexadecimal data
PD75P3116
19