参数资料
型号: MB89T635P-SH
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 10 MHz, MICROCONTROLLER, PDIP64
封装: SHRINK, DIP-64
文件页数: 124/153页
文件大小: 7326K
代理商: MB89T635P-SH
HARDWARE CONFIGURATION
2-49
(3) Description of registers
(a) Pulse-width control register 1 (PCR1)
This PCR1 is used to enable and disable each function and to display the state of the timer.
[Bit 7] EN: Counter-operation enable bit
At the timer function, when 1 is written at this bit, the value of the data register is loaded to start the
decre menting. At the pulse-width measurement function, when 1 is written at this bit, the measure-
ment-enable state is set. Under this condition, decrementing starts when the edge of the measured
pulse is detected. When 0 is written at this bit during measurement, the operation stops but the value of
the counter is not transferred to the buffer (RLBR).
[Bit 6] TOE: TO bit output-enable bit
When Bit 6 is set to 1, the contents of the TO bit are output to port P37.
If this bit is set to 1 even after the DDR of P37 is set to input, the port functions as the TO bit output port.
[Bit 5] IE: Interrupt-enable bit
When Bit 5 is 1, an interrupt request is output if the interrupt-request flags (UF, IR, and BF) are set.
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