參數(shù)資料
型號： UPD754304
廠商： NEC Corp.
元件分類： 4位微控制器
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述： 4位單片機的小型通用紅外遙控器
文件頁數(shù)： 46/74頁
文件大小： 316K
代理商： UPD754304
46
μ
PD754302, 754304, 754302(A), 754304(A)
Instruction
group
Number
of bytes
Number
of machine
cycles
Addressing
area
Mnemonic
Operand
Operation
Skip condition
Subroutine
RETS
Note1
1
3+S
μ
PD754302
0, 0, 0, 0
←
(SP+1)
PC
10–0
←
(SP) (SP+3) (SP+2)
×
,
×
, MBE, RBE
←
(SP+4)
SP
←
SP+6
then skip unconditionally
μ
PD754304
0, 0, 0, 0
←
(SP+1)
PC
11–0
←
(SP) (SP+3) (SP+2)
×
,
×
, MBE, RBE
←
(SP+4)
SP
←
SP+6
then skip unconditionally
μ
PD754302
MBE, RBE, 0, 0
←
(SP+1)
PC
10–0
←
(SP) (SP+3) (SP+2)
PSW
←
(SP+4) (SP+5), SP
←
SP+6
μ
PD754304
MBE, RBE, 0, 0
←
(SP+1)
PC
11–0
←
(SP) (SP+3) (SP+2)
PSW
←
(SP+4) (SP+5), SP
←
SP+6
μ
PD754302
0, 0, 0, 0
←
(SP+1)
PC
10–0
←
(SP) (SP+3) (SP+2)
PSW
←
(SP+4) (SP+5), SP
←
SP+6
μ
PD754304
0, 0, 0, 0
←
(SP+1)
PC
11–0
←
(SP) (SP+3) (SP+2)
PSW
←
(SP+4) (SP+5), SP
←
SP+6
Unconditional
stack control
RETI
Note1
1
3
PUSH
rp
1
1
(SP–1)(SP–2)
←
rp, SP
←
SP–2
BS
2
2
(SP–1)
←
MBS, (SP–2)
←
RBS, SP
←
SP–2
POP
rp
1
1
rp
←
(SP+1) (SP), SP
←
SP+2
BS
2
2
MBS
←
(SP+1), RBS
←
(SP), SP
←
SP+2
Interrupt
EI
2
2
IME (IPS.3)
←
1
control
IE
×××
2
2
IE
×××
←
1
DI
2
2
IME (IPS.3)
←
0
IE
×××
2
2
IE
×××
←
0
Input/output
IN
Note2
A, PORTn
2
2
A
←
PORTn
(n = 0-3, 5-8)
XA, PORTn
2
2
XA
←
PORTn+1, PORTn
(n = 6)
OUT
Note2
PORTn, A
2
2
PORTn
←
A
(n = 2, 3, 5-8)
PORTn, XA
2
2
PORTn+1, PORTn
←
XA
(n = 6)
Notes 1.
The above operations in the double boxes can be performed only in the Mk II mode. The other
operations can be performed only in the Mk I mode.
While the IN instruction and OUT instruction are being executed, the MBE must be set to 0 or 1 and
MBS must be set to 15.
2.
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