ST7263BDX datasheet(36/145 Pages) STMICROELECTRONICS

No de pièce	ST7263BDX

Description	Low speed USB 8-bit MCU family with up to 32K Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI & I짼C

PDF	145 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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36 / 145 page

ST7263BDx ST7263BHx ST7263BKx ST7263BE

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I/O ports (Cont’d)

10.3.2 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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