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: 13/41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
MACHINE INSTRUCTIONS
TAB
TBA
TAY
TYA
TEAB
TDA
TABE
LXY x, y
INY
DEY
TAM j
XAM j
XAMD j
XAMI j
Register
to
register
tr
ansf
ers
RAM
addresses
0000
111
10
0000
011
10
0000
111
11
0000
011
00
0000
110
10
0001
010
01
0001
010
10
011
x1
x0
y3
y2
y1
y0
0000
100
11
0000
101
11
0011
001
j1
j0
0011
000
j1
j0
0011
011
j1
j0
0011
010
j1
j0
(A)
← (B)
(B)
← (A)
(A)
← (Y)
(Y)
← (A)
(E7 – E4)
← (B)
(E3 – E0)
← (A)
(DR2 – DR0)
← (A2 – A0)
(B)
← (E7 – E4)
(A)
← (E3 – E0)
(X)
← x, where x = 0 to 3
(Y)
← y, where y = 0 to 15
(Y)
← (Y) + 1
(Y)
← (Y) – 1
(A)
← (M(DP))
(X)
← (X) V j, where j = 0 to 3
Y = 0 to 7
(A)
(M(DP))
(X)
← (X) V j, where j = 0 to 3
Y = 0 to 7
(A)
(M(DP))
(X)
← (X) V j, where j = 0 to 3
(Y)
← (Y) – 1
Y = 0 to 7
(A)
(M(DP))
(X)
← (X) V j, where j = 0 to 3
(Y)
← (Y) + 1
Y = 0 to 7
01
E
00
E
01
F
00
C
01
A
02
9
02
A
0C
Y
+
x
01
3
01
7
06
4
+
j
06
j
06
C
+
j
06
8
+
j
1
RAM
to
register
tr
ansf
ers
19
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