参数资料
型号: UPD750004GBA-XXX-3BS-MTX
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP44
封装: 10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
文件页数: 38/86页
文件大小: 626K
代理商: UPD750004GBA-XXX-3BS-MTX
PD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
41
Data Sheet U10738EJ3V2DS
(2) Symbol definitions in operation description
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'
:
Extended register pair (XA')
BC'
:
Extended register pair (BC')
DE'
:
Extended register pair (DE')
HL'
:
Extended 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 :
Port n (n = 0 to 8)
IME
:
Interrupt master enable flag
IPS
:
Interrupt priority specification 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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