参数资料
型号: MB89PV630C-SH
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 10 MHz, MICROCONTROLLER, CDIP64
封装: CERAMIC, MDIP-64
文件页数: 109/153页
文件大小: 7326K
代理商: MB89PV630C-SH
MB89630 SERIES HARDWARE MANUAL
2-36
P60 to P67 N-ch open-drain-type output ports (also used as analog input)
Operation for output port
The value written at the PDR is output to the pin. When the PDR is read, the contents of the output latch
are always read. Therefore, the state of the pin cannot be read.
Operation for analog input
When using as analog input, set 1 at the PDR to turn off the output transistor.
State when reset
When reset, the PDR is initialized to 1. Therefore, the output transistor is turned off at all bits.
State in stop mode
When the SPL bit of the standby-control register is set to 1, in the stop mode, the output impedance
goes High irrespective of the value of the PDR.
Fig. 2.14 Port 6
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