HCS412 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

HCS412

KEELOQ Code Hopping Encoder and Transponder

Microchip Technology 

FIGURE 2-4: DATA PIN DIAGRAM

DATA

IN

<

OE >

DOAUTTA>

120 kΩ

DATA

HCS412

FIGURE 2-5: LED PIN DIAGRAM

LED

R

LED_ON >

FIGURE 2-6: TYPICAL APPLICATION CIRCUITS

Battery-less Short Range Transponder

S0 1

S1 2

LC1 3

LC0 4

8 VDD

7 LED

6 DATA

5 GND

Long Range / Proximity Activated Transponder / Encoder

S0 1

8 VDD

S1 2

7 LED

LC1 3

6 DATA

RF

LC0 4

5 GND

Short Range Transponder with RFEN Control / Long Range Encoder

S0 1

8 VDD

S1 2

7 LED

RF

RFEN 3

6 DATA

LC0 4

5 GND

© 2002 Microchip Technology Inc.

Preliminary

DS41099C-page 5

Share Link: