參數(shù)資料
型號: ST72254G1B6
英文描述: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI.
中文描述: 8位單電壓閃存微控制器。 ADC的。 16位定時器。的SPI。
文件頁數(shù): 66/140頁
文件大?。?/td> 1349K
代理商: ST72254G1B6
ST72104G, ST72215G, ST72216G, ST72254G
31/140
I/O PORTS (Cont’d)
Figure 21. I/O Port General Block Diagram
Table 6. I/O Port Mode Options
Legend: NI - not implemented
Off - implemented not activated
On - implemented and activated
Note: The diode to VDD is not implemented in the
true open drain pads. A local protection between
the pad and VSS is implemented to protect the de-
vice against positive stress.
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
True Open Drain
NI
NI (see note)
DR
DDR
OR
DA
T
A
B
U
S
PAD
VDD
ALTERNATE
ENABLE
ALTERNATE
OUTPUT
1
0
OR SEL
DDR SEL
DR SEL
PULL-UP
CONFIGURATION
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
SOURCE (eix)
INTERRUPT
POLARITY
SELECTION
CMOS
SCHMITT
TRIGGER
REGISTER
ACCESS
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