參數(shù)資料
型號: M37640E8
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCONTROLLER
中文描述: 單芯片8位CMOS單片機
文件頁數(shù): 158/172頁
文件大?。?/td> 1193K
代理商: M37640E8
5-8
6/2/98
7600 Series
M37640E8-XXXF Preliminary Specification
Mitsubishi Microcomputers
Figure 5-15. TYM Register
Figure 5-16. T123M Register
MSB
7
LSB
0
TYM7
TYM6
TYM5
TYM4
TYM3
TYM2
TYM1
TYM0
TYM0
Timer Y Data Write Control Bit (bit 0)
0: Write data in latch and timer
1: Write data in latch only
Timer Y Output Control Bit (bit 1)
0: TYOUT output disable
1: TYOUT output enable
Timer Y Frequency Division Ratio Bits (bit 3,2)
Bit 2
Bit 1
0
0:
0
1:
1
0:
1
1:
Timer Y Mode Bits (bits 5,4)
Bit 2
Bit 1
0
0:
0
1:
1
0:
1
1:
TYM1
TYM3,2
Φ
divided by 8
Φ
divided by 16
Φ
divided by 32
Φ
divided by 64
TYM5,4
Timer mode
Pulse period measurement mode
Event counter mode
HL pulse width measurement mode (continuously measures
high period and low period)
CNTR1 Polarity Select Bit (bit 6)
0: For event counter mode, clocked by rising edge
For pulse period measurement mode, falling edge detection
For CNTR1 interrupt request, falling edge active
For TYOUT, start on high output
1: For event counter mode, clocked on falling edge
For pulse period measurement mode, rising edge detection
For CNTR1 interrupt request, rising edge active
For TYOUT, start on low output
Timer Y Stop Bit (bit 7)
0: Count start
1: Count stop
TYM6
TYM7
Access: R/W
Reset: 00
16
Address: 0028
16
T123M0
TOUT Source Selection Bit (bit 0)
0: TOUT = Timer 1 output
1: TOUT = Timer 2 output
Timer 1 Stop Bit (bit 1)
0: Timer running
1: Timer stopped
Timer 1 Count Source Select Bit (bit 2)
0:
Φ
divided by 8
1: XCin divided by 2
Timer 2 Count Source Select Bit (bit 3)
0: Timer 1 underflow signal
1:
Φ
Timer 3 Count Source Select Bit (bit 4)
0: Timer 1 underflow signal
1:
Φ
divided by 8
TOUT Output Active Edge Selection Bit (bit 5)
0: Start on high output
1: Start on low output
TOUT Output Control Bit (bit 6)
0: TOUT output disabled
1: TOUT output enabled
Timer 1 and 2 Data Write Control Bit (bit 7)
0: Write data in latch and timer
1: Write data in latch only
T123M1
T123M2
T123M3
T123M4
T123M5
T123M6
T123M7
MSB
7
LSB
0
T123M7
T123M6
T123M5
T123M4
T123M3
T123M1
T123M0
Access: R/W
Reset: 00
16
T123M2
Address: 0029
16
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