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參數(shù)資料
| 型號(hào)： | M34570E8FP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDSO36 |
| 封裝： | 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-36 |
| 文件頁數(shù)： | 16/69頁 |
| 文件大小： | 780K |
| 代理商： | M34570E8FP |
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22
MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Table 10 Timer control registers
Timer control register W1
W13
W12
W11
W10
at reset : 00002
at RAM back-up : 00002
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 : 00002
at RAM back-up : state retained
R/W
0
1
Stop (state retained)
Operating
Port D9
TOUT pin
W23
W22
W21
W20
Timer 2 control bit
Port D9/TOUT pin function selection bit
Timer 2 count source selection bits
0
1
W21
0
1
Count source
Prescaler output (ORCLK)
Timer 1 underflow signal
Instruction clock
16-bit timer underflow signal
Timer control register W3
at reset : 00002
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.
W33
W32
W31
W30
Timer 3 control bit
Not used
Timer 3 count source selection bits
W20
0
1
0
1
W31
0
1
W30
0
1
0
1
Count source
Timer 2 underflow signal
Prescaler output (ORCLK)
f(XIN) or f(XIN)/2
Not available
Timer count value store register W5
at reset : 002
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 (D2D1D0A3A2A1A0) 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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