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): 33/62頁(yè)
文件大?。?/td> 497K
代理商: UPD75208CW
33
μ
PD75208
!addr
3
3
(SP–4) (SP–1) (SP–2)
PC
11–0
(SP–3)
MBE, RBE, 0, PC
12
PC
12–0
addr, SP
SP–4
*6
!faddr
2
2
(SP–4) (SP–1) (SP–2)
PC
11–0
(SP–3)
MBE, RBE, 0, PC
12
PC
12–0
00, faddr, SP
SP–4
*9
1
3
MBE, RBE, 0, PC
12
(SP+1)
PC
11–0
(SP) (SP+3) (SP+2)
SP
SP+4
MBE, RBE, 0, PC
12
(SP+1)
PC
11–0
(SP) (SP+3) (SP+2)
SP
SP+4
then skip unconditionally
1
3
×
,
×
,
×
, PC
12
(SP+1)
PC
11–0
(SP) (SP+3) (SP+2)
PSW
(SP+4) (SP+5), SP
SP+6
rp
1
1
(SP–1) (SP–2)
rp, SP
SP–2
BS
2
2
(SP–1)
MBS, (SP–2)
RBS, SP
SP–2
rp
1
1
rp
(SP+1) (SP), SP
SP+2
BS
2
2
MBS
(SP+1), RBS
(SP), SP
SP+2
2
2
IME(IPS.3)
1
IE
×××
2
2
IE
×××←
1
2
2
IME(IPS.3)
0
IE
×××
2
2
IE
×××←
0
A, PORTn
2
2
A
PORTn
(n = 0 to 6)
XA, PORTn
2
2
XA
PORTn+1, PORTn
(n = 4)
PORTn, A
2
2
PORTn
A
(n = 2 to 6)
PORTn, XA
2
2
PORTn+1, PORTn
XA
(n = 4)
2
2
Set HALT Mode (PCC.2
1)
2
2
Set STOP Mode (PCC.3
1)
1
1
No Operation
RBn
2
2
RBS
n (n = 0 to 3)
MBn
2
2
MBS
n (n = 0, 1, 15)
Machine
Cycle
Skip
Condition
Addressing
Area
No. of
Bytes
S
*
I
c
I
C
*
HALT
STOP
NOP
*
MBE = 0 or MBE = 1 and MBS = 15 must be set for execution of IN/OUT instruction
Note
Instruction Group
S
Mnemonic
Operands
Operation
Note
1
3 + S
CALL
CALLF
RET
RETS
RETI
PUSH
POP
EI
DI
IN
OUT
SEL
Unconditional
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