参数资料
型号: ST72623F2B1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP20
封装: 0.300 INCH, LEAD FREE, SHRINK, PLASTIC, DIP-20
文件页数: 69/139页
文件大小: 1264K
代理商: ST72623F2B1
ST7262xxx
35/139
Doc ID 6996 Rev 5
I/O PORTS (Cont’d)
9.2.6 Port B
Table 10. Port B Description
Figure 27. Port B and Port C [7:2] Configuration
PORT B
I/O
Alternate Function
Input*
Output
Signal
Condition
PB0
floating
push-pull (high sink)
MCO (Main Clock Output)
MCO = 1 (MISCR)
PB1
floating
push-pull (high sink)
RDI
SCI enabled
PB2
floating
push-pull (high sink)
TDO
TE = 1 (SCICR2)
PB3
floating
push-pull (high sink)
ARTCLK
EXCL = 1 (ARTCSR)
PB4
floating
push-pull (high sink)
ARTIC1
ART Timer enabled
IT5 Schmitt triggered input
IT5E = 1 (ITRFRE1)
PB5
floating
push-pull (high sink)
ARTIC2
ART Timer enabled
IT6 Schmitt triggered input
IT6E = 1 (ITRFRE1)
PB6
floating
push-pull (high sink)
PWM1
OE0 = 1 (PWMCR)
IT7 Schmitt triggered input
IT7E = 1 (ITRFRE1)
PB7
floating
push-pull (high sink)
PWM2
OE1 = 1 (PWMCR)
IT8 Schmitt triggered input
IT8E = 1 (ITRFRE1)
*Reset State
DR
DDR
LATCH
DR SEL
DDR SEL
VDD
PAD
ALTERNATE ENABLE
ALTERNATE
ALTERNATE INPUT
OUTPUT
P-BUFFER
N-BUFFER
1
0
1
0
CMOS SCHMITT TRIGGER
VSS
VDD
DIODES
DATA
B
U
S
PULL-UP*
* PULL-UP ON PORT C [7:2] ONLY
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