参数资料
型号: ST72621L4T1
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, PQFP44
封装: TQFP-44
文件页数: 63/134页
文件大小: 815K
代理商: ST72621L4T1
ST7262
34/134
I/O PORTS (Cont’d)
9.2.7 Port C
Table 9. Port C Description
Figure 25. Port C[1:0] Configuration
PORT C
I/O
Alternate Function
Input*
Outpu t
Signal
Condition
PC0
floating
true open drain
PC1
floating
true open drain
PC2
with pull-up
push-pull
IT9 Schmitt triggered input
IT9E = 1 (ITRFRE2)
PC3
with pull-up
push-pull
SCK
SPI enabled
IT10 Schmitt triggered input
IT10E = 1 (ITRFRE2)
PC4
with pull-up
push-pull
SS
SPI enabled
IT11 Schmitt triggered input
IT11E = 1 (ITRFRE2)
PC5
with pull-up
push-pull
MISO
SPI enabled
IT12 Schmitt triggered input
IT12E = 1 (ITRFRE2)
PC6
with pull-up
push-pull
MOSI
SPI enabled
PC7
with pull-up
push-pull
*Reset State
DR
DDR
LATCH
DR SEL
DDR SEL
PAD
ALTERNATE ENABLE
ALTERNATE
OUTPUT
N-BUFFER
1
0
1
0
CMOS SCHMITT TRIGGER
VSS
DIODES
DATA
BUS
1
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