UPSD3212A(2009) Ver la hoja de datos (PDF) - STMicroelectronics

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componentes Descripción

Fabricante

UPSD3212A
(Rev.:2009)

Flash programmable system devices with 8032 MCU and USB and programmable logic

STMicroelectronics 

UPSD321xx description

UPSD3212A, UPSD3212C, UPSD3212CV

Table 2. 80-pin package pin description (continued)

Port Signal Pin In/

pin name no. out

Basic

Function

Alternate

P4.7 PWM4 18 I/O General I/O port pin

Programmable 8-bit Pulse

Width modulation output 4

USB–

8

I/O

Pull-up resistor required (2 kΩ for

3 V devices, 7.5 kΩ for 5 V devices)

VREF

70

RD_ 65

WR_ 62

PSEN_ 63

O Reference Voltage input for ADC

O READ signal, external bus

O WRITE signal, external bus

O PSEN signal, external bus

ALE

4

RESET_ 68

XTAL1 48

XTAL2 49

O Address Latch signal, external bus

I Active low RESET input

I Oscillator input pin for system clock

O Oscillator output pin for system clock

PA0

35 I/O General I/O port pin

PA1

34 I/O General I/O port pin

PA2

32 I/O General I/O port pin

PA3

28 I/O General I/O port pin

PA4

26 I/O General I/O port pin

PA5

24 I/O General I/O port pin

PA6

22 I/O General I/O port pin

PA7

21 I/O General I/O port pin

PB0

80 I/O General I/O port pin

PLD macrocell outputs

PLD inputs

Latched address out (A0-

A7)

Peripheral I/O mode

PB1

78 I/O General I/O port pin

PB2

76 I/O General I/O port pin

PB3

74 I/O General I/O port pin

PB4

73 I/O General I/O port pin

PB5

72 I/O General I/O port pin

PLD macrocell outputs

PLD inputs

Latched address out (A0-

A7)

PB6

67 I/O General I/O port pin

PB7

66 I/O General I/O port pin

14/181

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