HCS473-I/SL Microchip Technology, HCS473-I/SL Datasheet - Page 38

• Manufacturer Part Number: HCS473-I/SL
• Description: IC KEELOQ 3AXIS TRANSCODR 14SOIC
• Manufacturer: Microchip Technology
• Series: KEELOQ®r
• Type: Code Hopping Encoder and Transponderr

Specifications of HCS473-I/SL

• Applications: Access Control Systems
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

HCS473
TABLE 3-6:
DS40035C-page 36
GSEL
RFBSL
LFDEMOD
TPLS
PRD
LPRL
LPRE
SKIPACK
RFRSP
LCRSP
DAMP
PXMA
ACOL
LFBSL
Note 1: All Timing values vary ±10%. Industrial temperature devices operating at cold and 3.5V < V
Symbol
END
2: Voltage thresholds should be ±250 mV for the low voltage range and ±400 mV for the high voltage range.
+10%, -20%.
3A: 7 - - - - - - - Skip First ACK
3A: - 6 - - - - - - RF Response
3A: - - 5 - - - - - LC Response
3A: - - - 4 - - - - Intelligent LC Damping
3A: - - - - 3 - - - Proximity Activation
3A: - - - - - 2 - - Anticollision
3A: - - - - - - 1 0 LF Transmission Baud Rate
38: - - - - 3 2 - - Guard Time Select
38: - - - - - - 1 0 RF Transmission Baud Rate
39: 7 - - - - - - - LF Demodulator
39: - - - - 3 - - - Transponder Preamble Length
39: - - - - - 2 - - Preamble Duty Cycle
39: - - - - - - 1 - Long Preamble Length
39: - - - - - - - 0 Long Preamble Enable
3F
Address: Bits
CONFIGURATION SUMMARY
01011010
Select
Select
Unused, always set = 5A
( 1)
( 1)
Preliminary
( 1)
( 1)
( 1)
Description
0 - Disable
0 - Disable
0 - Disable
0 - Disable
0 - Disable
0 - Disable
0 - Disable
0 - Normal
0 - Normal
0 - 75ms
0 - 33%
(1)
Value
Value
Value
00
01
10
00
01
10
00
01
10
11
11
11
2
2
2
2
2
2
2
2
2
2
2
2
 2002 Microchip Technology Inc.
1 - Demod
1 - Enable
1 - Enable
1 - Enable
1 - Enable
1 - Enable
1 - Enable
1 - Enable
Time (ms)
1 - 100ms
1 - Short
1 - 50%
TE (µs)
TE (µs)
102.4
51.2
100
200
400
800
100
200
400
800
0.0
6.4
DD
Reference
< 5.5V vary
Section
3.1.4.14
3.1.4.13
3.1.4.19
3.1.4.18
3.1.4.17
3.2.1.2
3.2.1.1
3.2.1.8
3.2.1.7
3.2.1.7
3.2.1.6
3.2.1.5
3.2.1.4
3.2.1.3