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參數(shù)資料
| 型號： | M37754S4CHP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 16BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片16位微機的CMOS |
| 文件頁數(shù)： | 42/114頁 |
| 文件大?。?/td> | 1116K |
| 代理商： | M37754S4CHP |
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42
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
MITSUBISHI MICROCOMPUTERS
M37754M8C-XXXGP, M37754M8C-XXXHP
M37754S4CGP, M37754S4CHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Pulse output port mode
Figure 48 shows the pulse output port mode block diagram.
This mode has an 8-bit pulse output port. The waveform output se-
lect bits (bits 0 to 2) of waveform output mode register (address
1A
16
, Figure 49) select use of pulse output port. The 8-bit pulse out-
put port is divided into 4 bits and 4 bits, or 6 bits and 2 bits with the
pulse output mode select bit (bit 4) of pulse output data register 1
(address 1C
16
, Figure 51) ; each of them can be individually con-
trolled.
D
R
Q
D
R
Q
DT
D Q
D Q
T
D Q
D Q
D Q
DT
D Q
D Q
DT
D15
D14
D13
D3
D2
D1
D0
D11
D10
D9
D8
Timer A0
Timer A1
RTP1
3
RTP1
2
RTP1
1
RTP1
0
RTP0
3
RTP0
2
RTP0
1
RTP0
0
Waveform output control bit 0
Polarity select bit
Reset
Pulse width modulation
select bit 0
Reset
Pulse output mode
select bit
Pulse width modulation data bit
D
D
Pulse width modulation
output of timer A4
Pulse width modulation
output of timer A3
Pulse width modulation
output of timer A2
Pulse width modulation
select bit 1
Pulse output data register 1
Pulse output data register 0
Waveform output control bit 0
Note :
Only when bit 5 of the particular function select register 1 (in Fig. 15) is set to “1”, the following registers’ contents can be changed from the
status after reset (in Fig.76) : Waveform output mode register (address 1A
16
) and Pulse output data registers 0 and 1 (addresses 1C
16
, 1D
16
).
Fig. 48 Pulse output port mode block diagram
Set timers A1 and A0 to the timer mode because they are used in the
pulse output mode. Additionally, set bit 2 of the corresponding timer
Ai mode register to “1” to use a pulse output port because the pulse
output port are multiplexed with the TAi
OUT
(i = 0 to 4). Figure 50
shows the bit configuration of timer A1 and A0 mode registers in the
pulse output port mode.
Timers A1 and A0 start count when setting the corresponding timer
count start flag to “1”, and they stop it when clearing that flag to “0”.
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