ST7263B datasheet(29/132 Pages) STMICROELECTRONICS

Part #	ST7263B

Description	LOW SPEED USB 8-BIT MCU FAMILY WITH FLASH/ROM, UP TO 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I²C

PDF	132 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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ST7263B

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I/O PORTS (Cont’d)

9.3.2 Port B

Table 11. Port B Description

Figure 21. Port B Configuration

PORT B

I/O

Alternate Function

Input*

Output

Signal

Condition

PB0

without pull-up

push-pull

Analog input (ADC)

CH[2:0] = 000 (ADCCSR)

PB1

without pull-up

push-pull

Analog input (ADC)

CH[2:0] = 001 (ADCCSR)

PB2

without pull-up

push-pull

Analog input (ADC)

CH[2:0]= 010 (ADCCSR)

PB3

without pull-up

push-pull

Analog input (ADC)

CH[2:0]= 011 (ADCCSR)

PB4

without pull-up

push-pull

Analog input (ADC)

CH[2:0]= 100 (ADCCSR)

IT5 Schmitt triggered input

IT4E = 1 (ITIFRE)

PB5

without pull-up

push-pull

Analog input (ADC)

CH[2:0]= 101 (ADCCSR)

IT6 Schmitt triggered input

IT5E = 1 (ITIFRE)

PB6

without pull-up

push-pull

Analog input (ADC)

CH[2:0]= 110 (ADCCSR)

IT7 Schmitt triggered input

IT6E = 1 (ITIFRE)

PB7

without pull-up

push-pull

Analog input (ADC)

CH[2:0]= 111 (ADCCSR)

IT8 Schmitt triggered input

IT7E = 1 (ITIFRE)

*Reset State

DDR

LATCH

DR SEL

DDR SEL

VDD

PAD

ANALOG

SWITCH

ANALOG ENABLE

(ADC)

ALTERNATE ENABLE

DIGITAL ENABLE

ALTERNATE ENABLE

ALTERNATE

ALTERNATE INPUT

OUTPUT

P-BUFFER

N-BUFFER

VSS

VDD

DIODES

ST7263B Datasheet(PDF) 29 Page - STMicroelectronics

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