参数资料
型号: M34238MK-XXXGP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封装: PLASTIC, SOP-20
文件页数: 17/41页
文件大小: 243K
代理商: M34238MK-XXXGP
Parameter
Type of
instruction
Mnemonic
Instruction code
Hexadecimal
notation
D8
D7
D6
D5
D4
D3
D2
D1
D0
Number
of
w
ords
Number
of
cycles
Functions
MITSUBISHI MICROCOMPUTERS
4238 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
(PCL)
← a6 – a0
(PCH)
← p p = 0 to 5
(PCL)
← a6 – a0
(PCL)
← a6 – a4 A3 – A0
(PCH)
← p p = 0 to 5
(PCL)
← a6 – a4 A3 – A0
(SK(SP))
← (PC), (SP) ← (SP) + 1
(PCH)
← 2, (PCL) ← a6 – a0
(SK(SP))
← (PC), (SP) ← (SP) + 1
(PCH)
← p, (PCL) ← a6 – a0
p = 0 to 5
(SK(SP))
← (PC), (SP) ← (SP) + 1
(PCH)
← p, (PCL) ← a6 – a4 A3 – A0
p = 0 to 5
(SP)
← (SP) – 1, (PC) ← (SK(SP))
(SP)
← (SP) – 1, (PC) ← (SK(SP))
1
2
1
2
1
2
1
2
1
B a
BL p, a
BA a
BLA p, a
BM a
BML p,a
BMLA p,a
RT
RTS
11
a6
a5
a4
a3
a2
a1
a0
0001
10
p2
p1
p0
11
a6
a5
a4
a3
a2
a1
a0
0000
000
01
11
a6
a5
a4
a3
a2
a1
a0
0000
100
00
11
a6
a5
a4
0p2
p1
p0
10
a6
a5
a4
a3
a2
a1
a0
0011
10
p2
p1
p0
10
a6
a5
a4
a3
a2
a1
a0
0010
100
00
10
a6
a5
a4
0p2
p1
p0
0010
001
00
0010
001
01
18
a
+
a
03
p
18
a
+
a
00
1
18
a
+
a
01
0
18
p
+
a
1a
a
07
p
1a
a
05
0
1a
p
04
4
04
5
Br
anch
oper
ations
Subroutine
call
oper
ations
Retur
n
oper
ations
23
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