UPSD3312D datasheet(21/272 Pages) STMICROELECTRONICS

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UPSD33xx

Pin descriptions

Doc ID 9685 Rev 7

21/272

Figure 3.

LQFP80 connections

For 5 V applications, VDD must be connected to a 5.0 V source. For 3.3 V applications, VDD must be connected to a 3.3 V

source.

These signals can be used on one of two different ports (Port 1 or Port 4) for flexibility. Default is Port1.

NC = Not Connected

60 P1.5/SPIRXD(2)/ADC5

59 P1.4/SPICLK(2)/ADC4

58 P1.3/TXD1(IrDA)(2)/ADC3

57 MCU A11

56 P1.2/RXD1(IrDA)(2)/ADC2

55 MCU A10

54 P1.1/T2X(2)/ADC1

53 MCU A9

52 P1.0/T2(2)/ADC0

51 MCU A8

50 VDD

(1)

49 XTAL2

48 XTAL1

47 MCU AD7

46 P3.7/SCL

45 MCU AD6

44 P3.6/SDA

43 MCU AD5

42 P3.5/C1

41 MCU AD4

PD2/CSI

P3.3/TG1/EXINT1

PD1/CLKIN

ALE

PC7

JTAG TDO

JTAG TDI

DEBUG

PC4/TERR

3.3V VCC

VDD

(1)

GND

PC3/TSTAT

PC2

JTAG TCK

SPISEL(2)/PCACLK1/P4.7

SPITXD(2)/TCM5/P4.6

JTAG TMS

AI07823b

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