參數(shù)資料
型號(hào): UPD75208CW
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(yè)數(shù): 27/62頁(yè)
文件大小: 497K
代理商: UPD75208CW
27
μ
PD75208
(2)
Legend for operation description
A
B
C
D
E
H
L
X
XA
BC
DE
HL
XA’
BC’
DE’
HL’
PC
SP
CY
PSW
MBE
RBE
PORTn
IME
IPS
IE
×××
RBS
MBS
PCC
(
××
)
××
H
: 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)
: Expanded register pair (XA’)
: Expanded register pair (BC’)
: Expanded register pair (DE’)
: Expanded register pair (HL’)
: Program counter
: Stack pointer
: Carry flag; Bit accumulator
: Program status word
: Memory bank enable flag
: Register bank enable flag
: Port n (n = 0 to 6)
: Interrupt master enable flag
: Interrupt priority select register
: Interrupt enable flag
: Register bank select register
: Memory bank select register
: Processor clock control register
: Address and bit delimiter
: Contents addressed by
××
: Hexadecimal data
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