ST7285C datasheet(100/117 Pages) STMICROELECTRONICS

100 / 117 page

100/117

ST72E85 ST72T85

Pin Name(s)

Basic Fun ction

Alternate Functi on

Remarks

1VSSP

Ground for Output

Buffers

This pin is connected to pin 41

2VDDP

Power Supply for

Output Buffers

This pin is connected to pin 42

OSCOUT

Oscillator Output pin.

OSCIN

Oscillator Input pin.

PC0/MISO_B

I/O Port PC0

SPI B master in/slave

out data input/output

Alternate function or I/O. The I/O configuration

is software selectable as triggered input or push

pull output.

PC1/MOSI_B

I/O Port PC1

SPI B Master Out/

Slave In Data Input/

Output

PC2/SCK_B

I/O Port PC2

SPI B Serial Clock

PC3/SS_B

I/O Port PC3

SPI B Slave Select

PC4/OC2_B

I/O Port PC4

Output Compare 2

on Timer B

Alternate function or I/O. Software selectable

as triggered input, push pull output, or triggered

interrupt input with pull up (Interrupt I10).

PC5/OC1_B

I/O Port PC5

Output Compare 1

on Timer B

PC6/IC2_B

I/O Port PC6

Input Capture 2

on Timer B

Alternate function or I/O. The I/O configuration

is software selectable as triggered input or push

pull output.

PC7/IC1_B

I/O Port PC7

Input Capture 1

on Timer B.

PD0/MISO_A

I/O Port PD0

SPI A Master In/

Slave Out Data Input/

Output

PD1/MOSI_A

I/O Port PD1

SPI A Master Out/

Slave In data Input/

Output

PD2/SCK_A

I/O Port PD2

SPI A Serial Clock

PD3/SS_A

I/O Port PD3

SPI A Slave Select

PD4

I/O Port PD4

Software selectable as triggered input, push

pull output, open drain output or triggered inter-

rupt input with pull up (Interrupt I9).

PD5

I/O Port PD5

PD6/SCL

I/O Port PD6

I2C Serial Clock

Alternate function or I/O. The I/O configuration

is software selectable as triggered input or

open drain output.

PD7/SDA

I/O Port PD7

I2C Serial Data

RESET

General Reset

Bidirectional. An active low signal forces MCU

initialization. This event is the top priority non-

maskable interrupt. As an output, it can be used

to reset external peripherals.

VPP/TEST

RESERVED

Input. This pin MUST be tied directly to VSS dur-

ing normal operation. In Programming Mode,

this pin is connected to VPP.

VDD

Power Supply for all

logic circuitry

Except for output buffers and pull-ups.

VSS

Ground for all logic

circuitry

ST7285C Datenblatt(PDF) 100 Page - STMicroelectronics

ST7285C Datenblatt(HTML) 100 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datenblatt Download

Link URL