HCS473_13 Datasheet, PDF (35/68 Pages) Microchip Technology – KEELOQ® 3-Axis Transcoder

HCS473
3.3 CONFIGURATION SUMMARY
TABLE 3-6: CONFIGURATION SUMMARY
Symbol
Address: Bits
Description⁽¹⁾
USR 0
USR 1
USR 2
USR 3
SER
DEVID 1
DEVID 2
IFF KEY
COUNT
KEY
SEED
TCODE
DISC
RFEN
PLLSEL
VLOWSEL
CNTSEL
QUEN
XSER
HSEL
MSEL
SDMD
SDLM
SDTM
SDBT
TSEL
MTX
00: 16 bits User EEPROM Area
02: 16 bits User EEPROM Area
04: 16 bits User EEPROM Area
06: 16 bits User EEPROM Area
08: 32 bits Encoder Serial Number
0C: 16 bits Device Identifier #1 - Vehicle/Token ID Number #1
0E: 16 bits Device Identifier #2 - Vehicle/Token ID Number #2
10: 64 bits IFF Key
18: 64 bits Encoder Synchronization Counter and Checksum
20: 64 bits Encoder Key
28: 60 bits Encoder Seed Value
30: 32 bits Transport Code
34: 10 bits Encoder Discrimination Value
36: 7 - - - - - - - RF Enable Pin
0 - S3
1 - RF Enable
36: - 6 - - - - - - PLL Interface Select
36: - - 5 - - - - - Low Voltage Trip Point Select ^{( 2)}
0 - ASK
0 - 2.2V
1 - FSK
1 - 3.3V
36: - - - 4 - - - - Counter Select
0 - 16 bits
1 - 20 bits
36: - - - - 3 - - - Queue Counter Enable
0 - Disable 1 - Enable
36: - - - - - 2 - - Extended Serial Number
36: - - - - - - 1 - Header Select ^{( 1)}
0 - 28 bits
0 - 4 TE
1 - 32 bits
1 - 10 TE
36: - - - - - - - 0 Modulation Format
0 - PWM 1 - Manchester
37: 7 - - - - - - - Seed Mode
0 - User 1 - Production
37: - 6 - - - - - - Limited Seed
0 - Unlimited
37: - - 5 4 - - - - Time Before Seed code word ^{( 1)}
Value
1 - Limited
Time (s)
37: - - - - 3 2 1 0 Seed Button Code
38: 7 6 - - - - - - Timeout Select ^{( 1)}
00₂
0.0
01₂
0.8
10₂
1.6
11₂
3.2
Bit order = S3-S2-S1-S0
Value
Time (s)
38: - - 5 4 - - - - Minimum Code Words
00₂
01₂
10₂
11₂
Value
4
8
16
32
Value
00₂
1
01₂
2
10₂
4
11₂
8
Reference
Section
3.2.3.4,
3.2.3.5
3.2.1.4
3.2.3.3
1.2.3
3.1.2.2
3.2.3.2
3.1.8
3.1.4.8
3.1.4.7
3.1.4.6
3.1.4.5
3.1.4.4
3.1.4.3
3.1.4.2
3.1.4.1
3.1.4.12
3.1.4.11
3.1.4.10
3.1.4.9
3.1.4.16
3.1.4.15
 2000-2013 Microchip Technology Inc.
Preliminary
DS40035D-page 35