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RFHCS362F Datasheet(PDF) 9 Page - Microchip Technology

Part # RFHCS362F
Description  KEELOQ짰 Code Hopping Encoder with UHF ASK/FSK Transmitter
PDF  54 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RFHCS362F Datasheet(HTML) 9 Page - Microchip Technology

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© 2011 Microchip Technology Inc.
DS41189B-page 9
rfHCS362G/362F
TABLE 2-1:
rfHCS362G/362F PINOUT DESCRIPTION
Name
SOIC
Pin #
SSOP
Pin #
I/O/P
Type
Description
ANT1
10
11
O
Antenna connection to differential power amplifier output, open
collector.
ANT2
9
10
O
Antenna connection to differential power amplifier output, open
collector.
CLKOUT
6
7
O
Clock output.
DATA
17
19
I/O
Encoder data output pin or serial programming.
DATAFSK
—
15
I
FSK data input.
FSKOUT
—
16
O
FSK crystal pulling output.
LED/SHIFT
2
2
I/O
Current limited LED driver. Input sampled before LED driven.
LF
13
14
—
External loop filter connection. Common node of charge pump
output and VCO tuning input.
PS/DATAASK
7
8
I
Power select and ASK data input.
RFENIN
5
6
I
Transmitter and CLKOUT enable. Internal pull-down.
S0
3
3
I
Switch input 0 with internal pull-down.
S1
4
4
I
Switch input 1 with internal pull-down.
S2
15
17
I
Switch input 2 with internal pull-down or Schmitt Trigger clock
input during serial programming.
S3/RFEN
16
18
I/O
Switch input 3 with internal pull-down or RF enable output as
selected by RFEN option in configuration word SEED_3.
VDD
1
1
P
Positive supply for encoder
VDDRF
8
9
P
Positive supply for transmitter.
VSS
18
20
P
Ground reference for encoder
VSSRF
11
12
P
Ground reference for transmitter.
XTAL
14
5
I
Transmitter crystal connection to Colpitts type crystal oscillator.
Legend: I = input, O = output, I/O = input/output, P = power



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