參數(shù)資料
型號: ST7FLIT19BF1U6TR
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC20
封裝: LEAD FREE, QFN-20
文件頁數(shù): 98/153頁
文件大?。?/td> 2862K
代理商: ST7FLIT19BF1U6TR
ST7LITE1xB
49/153
I/O PORTS (Cont’d)
Figure 31. I/O Port General Block Diagram
Table 8. I/O Port Mode Options
Legend: Off - implemented not activated
On - 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
DR
DDR
OR
DATA
B
U
S
PAD
VDD
ALTERNATE
ENABLE
ALTERNATE
OUTPUT
1
0
OR SEL
DDR SEL
DR SEL
PULL-UP
CONDITION
P-BUFFER
(see table below)
N-BUFFER
PULL-UP
(see table below)
1
0
ANALOG
INPUT
If implemented
ALTERNATE
INPUT
VDD
DIODES
(see table below)
FROM
OTHER
BITS
EXTERNAL
REQUEST (eix)
INTERRUPT
SENSITIVITY
SELECTION
CMOS
SCHMITT
TRIGGER
REGISTER
ACCESS
BIT
From on-chip periphera
l
To on-chip peripheral
Note: Refer to the Port Configuration
table for device specific information.
Combinational
Logic
1
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