HCS500 查看數據表（PDF） - Microchip Technology

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HCS500

KEELOQ Code Hopping Decoder

Microchip Technology 

HCS500

2.0 PIN ASSIGNMENT

PIN

Decoder

Function

I/O(1)

Buffer

Type(1)

Description

1

VDD

2

EE_CLK

3

EE_DAT

P

—

Power Connection

O

TTL

Clock to I2C™ EEPROM

I/O

TTL

Data to I2C EEPROM

4

MCLR

I

ST

Master clear input

5

S_DAT

I/O

TTL Synchronous data from controller

6

S_CLK

I

TTL Synchronous clock from controller

7

RFIN

I

TTL RF input from receiver

8

GND

P

—

Ground connection

Note: P = power, I = in, O = out, and ST = Schmitt Trigger input.

I2C is a trademark of Philips Corporation.

DS40153B-page 4

Preliminary

© 1997 Microchip Technology Inc.

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