ST7263BDX datasheet(11/145 Pages) STMICROELECTRONICS

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ST7263BDx ST7263BHx ST7263BKx ST7263BE

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Table 2. Device pin description (QFN40, LQFP48, SO34 and SDIP32)

Pin n°

Pin name

Level

Port / Control

Main

function

(after

reset)

Alternate function

Input

Output

117

VDD

Power supply voltage (4V - 5.5V)

OSCOUT

Oscillator output

OSCIN

Oscillator input

VSS

Digital ground

11 10 PC2/USBOE

I/O

Port C2

USB Output Enable

12 13 PC1/TDO

I/O

Port C1

SCI Transmit Data Out-

put

13 14 PC0/RDI

I/O CT

Port C0

SCI Receive Data Input

14 15 RESET

I/O

XReset

15 16 NC

Not connected

16 17 NC

Not connected

18 NC

Not connected

19 NC

Not connected

20 NC

Not connected

21 NC

Not connected

22 NC

Not connected

10 17 23 PB7/AIN7/IT8

I/O CT 10mA X

Port B7

ADC analog input 7

10 11 18 24 PB6/AIN6/IT7

I/O CT 10mA X

Port B6

ADC analog input 6

11 12 19 25 VPP/TEST

Programming supply

12 13 20 26 PB5/AIN5/IT6

I/O CT 10mA X

Port B5

ADC analog input 5

13 14 21 27 PB4/AIN4/IT5

I/O CT 10mA X

Port B4

ADC analog input 4

14 15 22 28 PB3/AIN3

I/O CT 10mA X

Port B3

ADC analog input 3

15 16 23 29 PB2/AIN2

I/O CT 10mA X

Port B2

ADC analog input 2

16 17 24 30 PB1/AIN1

I/O CT 10mA X

Port B1

ADC analog input 1

17 18 25 31 PB0/AIN0

I/O CT 10mA X

Port B0

ADC analog Input 0

18 19 26 32 PA7/OCMP2/IT4

I/O

Port A7

Timer Output Compare

19 20 27 33 PA6/OCMP1/IT3

I/O

Port A6

Timer Output Compare

20 21 28 34 PA5/ICAP2/IT2

I/O

Port A5

Timer Input Capture 2

21 22 29 35 PA4/ICAP1/IT1

I/O

Port A4

Timer Input Capture 1

22 23 30 36 PA3/EXTCLK

I/O

Port A3

Timer External Clock

23 24 31 38 PA2/SCL/ICCCLK

I/O CT 25mA X

Port A2

I²C serial clock, ICC

Clock

32 39 PD01)/AIN8

I/O CT

Port D0

ADC analog Input 8

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