參數(shù)資料
型號(hào): UPD75116H
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 34/66頁
文件大小: 472K
代理商: UPD75116H
34
μ
PD75116H,75117H
(2) Operation description 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'
: Extension register pair (XA')
BC'
: Extension register pair (BC')
DE'
: Extension register pair (DE')
HL'
: Extension 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
: Portn (n = 0 to 9, 12 to 14)
IME
: Interrupt master enable flag
IPS
: Interrupt priority selection register
IE
×××
: Interrupt enable flag
RBS
: Register bank selection register
MBS
: Memory bank selection register
PCC
: Processor clock control register
.
: Address, bit delimiter
(
××
)
: Contents addressed by
××
××
H
: Hexadecimal data
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