参数资料
型号: ST7PLUSA5B6
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, PDIP8
封装: 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8
文件页数: 96/136页
文件大小: 1705K
代理商: ST7PLUSA5B6
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
I/O ports
ST7LITEUS2, ST7LITEUS5
Table 18.
I/O port mode options(1)
1.
NI stands for not implemented; Off for implemented not activated; On for implemented and activated.
Configuration mode
Pull-up
P-buffer
Diodes
to VDD
to VSS
Input
Floating with/without Interrupt
Off
On
Pull-up with/without Interrupt
On
Output
Push-pull
Off
On
Open Drain (logic level)
Off
Table 19.
I/O port configurations
Hardware configuration
INPUT
(1)
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.
OPE
N
-D
RAI
N
OUT
P
UT
(2
)
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.
PUSH-PULL
O
UTPUT
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
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