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参数资料
| 型号： | MB89PV950CF |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 5 MHz, MICROCONTROLLER, CQFP64 |
| 封装： | 0.80 MM PITCH, PIGGY BACK, MQFP-64 |
| 文件页数： | 53/110页 |
| 文件大小： | 619K |
| 代理商： | MB89PV950CF |
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HARDWARE CONFIGURATION
2– 32
1 is always read when the Read Modify Write instruction is executed.
The meaning of each bit to be written is as follows:
[Bit 1] IR: Measurement-end interrupt request bit
When the IE bit (bit 5) of the PCR1 is 1, an interrupt occurs at the end of
pulse-width measurement.
The meaning of each bit to be read is as follows:
1 is always read when the Read Modify Write instruction is executed.
The meaning of each bit to be written is as follows:
[Bit 0] BF: Buffer-full flag
When the IE bit (bit 5) of the PCR1 is 1, an interrupt occurs when any
measured value is found in the RDBR. This bit is set at the end of pulse-
width measurement and cleared when data in the buffer is read.
The meaning of each bit to be read is as follows:
Bit 7 is used to select the timer and pulse-width measurement functions.
One should not change the function select bit when timer function is enabled
(EN=1).
Peripherals
0
1
Clears this bit
Unchanges this bit and other bits unaffected
0
1
Pulse-width measurement not terminated
Pulse-width measurement terminated
0
1
Clears this bit
Unchanges this bit and other bits unaffected
0
1
Pulse-width measured value not found
Pulse-width measured value found
(b) Pulse-width control register 2 (PCR2)
PCR1
Address: 0014H
PCR2
Address: 0015H
Address: 0015H
(Initial value)
000X0000B
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FC
RM
TO
—
C1
C0
W1
W0
(R/W)
RLBR
Address: 0016H
NCCR
Address: 0017H
[Bit 7] FC: Function select bit
0
1
Timer function
Pulse-width measurement function
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