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參數(shù)資料
| 型號(hào)： | M34570M8-117FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片4位微機(jī)的CMOS |
| 文件頁(yè)數(shù)： | 51/68頁(yè) |
| 文件大?。?/td> | 319K |
| 代理商： | M34570M8-117FP |
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59
MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
CONTROL REGISTERS (CONTINUED)
Timer control register W1
W1
3
W1
2
W1
1
W1
0
at reset : 0000
2
at RAM back-up : 0000
2
0
1
0
1
0
1
0
1
R/W
Stop (prescaler state initialized)
Operating
Instruction clock divided by 4
Instruction clock divided by 8
Prescaler output (ORCLK)
Carrier output (CARRY)
Stop (state retained)
Operating
Prescaler control bit
Prescaler dividing ratio selection bit
Timer 1 count source selection bit
Timer 1 control bit
Timer control register W2
at reset : 0000
2
at RAM back-up : state retained
R/W
0
1
Stop (state retained)
Operating
Port D
9
T
OUT
pin
W2
3
W2
2
W2
1
W2
0
Timer 2 control bit
Port D
9
/T
OUT
pin function selection bit
Timer 2 count source selection bits
0
1
W2
1
0
0
1
1
Count source
Prescaler output (ORCLK)
Timer 1 underflow signal
Instruction clock
16-bit timer underflow signal
Timer control register W3
at reset : 0000
2
at RAM back-up : state retained
R/W
0
1
0
1
Stop (state retained)
Operating
This bit has no function, but read/write is enabled.
W3
3
W3
2
W3
1
W3
0
Timer 3 control bit
Not used
Timer 3 count source selection bits
W2
0
0
1
0
1
W3
1
0
0
1
1
W3
0
0
1
0
1
Count source
Timer 2 underflow signal
Prescaler output (ORCLK)
f(X
IN
) or f(X
IN
)/2
Not available
Timer count value store register W5
at reset : 00
2
at RAM back-up : state retained
R/W
2-bit register. The contents of the high-order 2 bits (bits 9 and 8) of the 10-bit ROM pattern at address (D
2
D
1
D
0
A
3
A
2
A
1
A
0
) in page
p specified by registers D and A is stored in this register W5 with the TABP p instruction.
In addition, data can be transferred between the low-order 2 bits of register A and this register W5 with the TW5A or TAW5
instruction. Data can be read/written to/from the high-order 2 bits of timer 1 with the T1AB or TAB1 instruction.
Note: “R” represents read enabled, and “W” represents write enabled.
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| M34570MD-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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