參數(shù)資料
型號: UPD75104A
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 34/66頁
文件大小: 460K
代理商: UPD75104A
μ
PD75104A, 75108A
34
(2)
Legend of operation field
: 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
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
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; or bit accumulator
PSW
: Program status word
MBE
: Memory bank enable flag
RBE
: Register bank enable flag
PORTn : Port n (n = 0 - 9, 12 - 14)
IME
: Interrupt mask 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 of address and bit
(xx)
: Contents addressed by xx
xxH
: Hexadecimal data
A
B
C
D
E
H
L
X
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