参数资料
型号: ST7263BK1B/XXX
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, PDIP32
封装: 0.400 INCH, LEAD FREE, SHRINK, PLASTIC, DIP-32
文件页数: 67/140页
文件大小: 1423K
代理商: ST7263BK1B/XXX
ST7263B
32/140
I/O PORTS (Cont’d)
9.3.2 Port B
Table 12. Port B Description
PORT B
I/O
Alternate Function
Input1
Output
Signal
Condition
PB0
without pull-up
push-pull
Analog input (ADC)
CH[3:0] = 000 (ADCCSR)
PB1
without pull-up
push-pull
Analog input (ADC)
CH[3:0] = 001 (ADCCSR)
USBOE (USB output ena-
ble)2
USBOE =1
(MISCR)
PB2
without pull-up
push-pull
Analog input (ADC)
CH[3:0]= 010 (ADCCSR)
PB3
without pull-up
push-pull
Analog input (ADC)
CH[3:0]= 011 (ADCCSR)
PB4
without pull-up
push-pull
Analog input (ADC)
CH[3:0]= 100 (ADCCSR)
IT5 Schmitt triggered input
IT4E = 1 (ITIFRE)
PB5
without pull-up
push-pull
Analog input (ADC)
CH[3:0]= 101 (ADCCSR)
IT6 Schmitt triggered input
IT5E = 1 (ITIFRE)
PB6
without pull-up
push-pull
Analog input (ADC)
CH[3:0]= 110 (ADCCSR)
IT7 Schmitt triggered input
IT6E = 1 (ITIFRE)
PB7
without pull-up
push-pull
Analog input (ADC)
CH[3:0]= 111 (ADCCSR)
IT8 Schmitt triggered input
IT7E = 1 (ITIFRE)
1Reset State
2On SO24 only
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