參數(shù)資料
型號: M34238MK-XXXGP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: PLASTIC, SOP-20
文件頁數(shù): 10/41頁
文件大?。?/td> 243K
代理商: M34238MK-XXXGP
MITSUBISHI MICROCOMPUTERS
4238 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
17
Frequency (Note)
f(XIN)/12[f(XIN)/96]
f(XIN)/8[f(XIN)/64]
f(XIN) [f(XIN)/8]
CONTROL REGISTERS
MC0
0
1
Count value
64 machine cycles selected
1024 machine cycles selected
MC0
Machine cycle count value select bit
at reset : 02
Machine cycle count value select register MC
at RAM back-up : 02
W
Carrier wave
C2
0
1
C1
0
1
0
1
C0
0
1
0
1
0
1
0
1
Duty ratio
1/3
1/2
1/4
1/2
No carrier wave
“L” level fixed
C2
C1
C0
Carrier wave select register C
at reset : 1112
at RAM back-up : 1112
R/W
Carrier wave select bits
Logic operation select register LO
at reset : 002
at RAM back-up : 002
W
Logic operation function select bits
Note : Indicated above are the time and count value at instruction clock = f(XIN)/4.
Enclosed in parentheses are the time and count value at instruction clock = f(XIN)/32.
LO1
LO0
LO1
0
1
LO0
0
1
0
1
Function
XOR operation
OR operation
AND operation
Not available
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