參數(shù)資料
型號(hào): UPD75048CW
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): 40/68頁(yè)
文件大小: 538K
代理商: UPD75048CW
40
μ
PD75048
(2) Legend of operation field
A
B
C
D
E
H
L
X
XA
BC
DE
HL
PC
SP
CY
PSW
MBE
PORTn : Port n (n = 0 to 11)
IME
: Interrupt master enable flag
IExxx
: Interrupt enable flag
MBS
: Memory bank selector register
PCC
: Processor clock control register
.
: Delimiter of address and bit
(xx)
: Contents addressed by xx
xxH
: Hexadecimal data
: 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
: Register pair (XA); 8-bit accumulator
: Register pair (BC); 8-bit accumulator
: Register pair (DE); 8-bit accumulator
: Register pair (HL); 8-bit accumulator
: Program counter
: Stack pointer
: Carry flag; or bit accumulator
: Program status word
: Memory bank enable flag
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