参数资料
型号: ST72324K6B3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, SHRINK, PLASTIC, DIP-32
文件页数: 99/157页
文件大小: 1037K
代理商: ST72324K6B3/XXX
ST72324J/K
46/157
I/O PORTS (Cont’d)
Table 10. I/O Port Configurations
Notes:
1. When the I/O port is in input configuration and the associated alternate function is enabled as an output,
reading the DR register will read the alternate function output status.
2. When the I/O port is in output configuration and the associated alternate function is enabled as an input,
the alternate function reads the pin status given by the DR register content.
Hardware Configu ration
INPUT
1)
OPEN-DRAIN
OUTPUT
2)
PUSH-PULL
OUTPUT
2)
CONDITION
PAD
VDD
RPU
EXTERNAL INTERR UPT
DATA BUS
PULL-UP
INTERRUPT
DR REGISTER ACCESS
W
R
SOURCE (eix)
DR
REGISTER
CONDITIO N
ALTERNATE INPUT
NOT IMPLEMENTED IN
TRUE OPEN DRAIN
I/O PORTS
ANALOG INPUT
PAD
RPU
DATA BUS
DR
DR REGIST ER ACCESS
R/W
VDD
ALTERNATE
ENAB LE
OUTPUT
REGIST ER
NOT IMPLEMENTED IN
TRUE OPEN DRAIN
I/O PORTS
PAD
RPU
DATA BUS
DR
DR REGIST ER ACCESS
R/W
VDD
ALTERNATE
ENAB LE
OUTPUT
REGIST ER
NOT IMPLEMENTED IN
TRUE OPEN DRAIN
I/O PORTS
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