参数资料
型号: ST7PLITEUS2M6
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, PDSO8
封装: 0.150 INCH, LEAD FREE, PLASTIC, SOP-8
文件页数: 48/108页
文件大小: 1957K
代理商: ST7PLITEUS2M6
ST7LITEUSx
44/108
I/O PORTS (Cont’d)
Table 13. 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 Configuration
INPUT
1)
OP
EN-DR
A
IN
OUTPUT
2)
PUSH
-PULL
O
UTPUT
2)
CONDITION
PAD
VDD
RPU
EXTERNAL INTERRUPT
POLARITY
DATA BUS
PULL-UP
INTERRUPT
DR REGISTER ACCESS
W
R
FROM
OTHER
PINS
SOURCE (eix)
SELECTION
DR
REGISTER
CONDITION
ALTERNATE INPUT
ANALOG INPUT
PAD
RPU
DATA BUS
DR
DR REGISTER ACCESS
R/W
VDD
ALTERNATE
ENABLE
OUTPUT
REGISTER
PAD
RPU
DATA BUS
DR
DR REGISTER ACCESS
R/W
VDD
ALTERNATE
ENABLE
OUTPUT
REGISTER
1
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