ST7263 STMICROELECTRONICS [STMicroelectronics], ST7263 Datasheet - Page 29

• Manufacturer Part Number: ST7263
• Description: LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

I/O PORTS (Cont’d)
5.1.5 Port B
Table 11. Port B Description
Figure 20. Port B Configuration
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
*Reset State
ALTERNATE INPUT
PORT B
without pull-up
without pull-up
without pull-up
without pull-up
without pull-up
without pull-up
without pull-up
without pull-up
DR SEL
DDR SEL
LATCH
LATCH
Input*
DDR
DR
ALTERNATE
OUTPUT
I/O
1
0
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
ALTERNATE ENABLE
0
1
Output
DIGITAL ENABLE
ANALOG ENABLE
(ADC)
ALTERNATE ENABLE
ALTERNATE ENABLE
Analog input (ADC)
Analog input (ADC)
Analog input (ADC)
Analog input (ADC)
Analog input (ADC)
IT5 Schmitt triggered input IT4E = 1 (ITIFRE)
Analog input (ADC)
IT6 Schmitt triggered input IT5E = 1 (ITIFRE)
Analog input (ADC)
IT7 Schmitt triggered input IT6E = 1 (ITIFRE)
Analog input (ADC)
IT8 Schmitt triggered input IT7E = 1 (ITIFRE)
Signal
ANALOG
SWITCH
Alternate Function
V
P-BUFFER
SS
V
N-BUFFER
DD
CH[2:0] = 000 (ADCCSR)
CH[2:0] = 001 (ADCCSR)
CH[2:0]= 010 (ADCCSR)
CH[2:0]= 011 (ADCCSR)
CH[2:0]= 100 (ADCCSR)
CH[2:0]= 101 (ADCCSR)
CH[2:0]= 110 (ADCCSR)
CH[2:0]= 111 (ADCCSR)
Condition
V
DD
DIODES
PAD
ST7263
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