HCS473-SLROM datasheet(37/68 Pages) MICROCHIP

37 / 68 page

 2002 Microchip Technology Inc.

Preliminary

DS40035C-page 35

HCS473

3.3

CONFIGURATION SUMMARY

TABLE 3-6:

CONFIGURATION SUMMARY

Symbol

Address: Bits

Description(1)

Reference

Section

USR 0

00:

16 bits

User EEPROM Area

3.2.3.4,

3.2.3.5

USR 1

02:

16 bits

User EEPROM Area

USR 2

04:

16 bits

User EEPROM Area

USR 3

06:

16 bits

User EEPROM Area

SER

08:

32 bits

Encoder Serial Number

DEVID 1

0C:

16 bits

Device Identifier #1 - Vehicle/Token ID Number #1

3.2.1.4

DEVID 2

0E:

16 bits

Device Identifier #2 - Vehicle/Token ID Number #2

IFF KEY

10:

64 bits

IFF Key

3.2.3.3

COUNT

18:

64 bits

Encoder Synchronization Counter and Checksum

1.2.3

KEY

20:

64 bits

Encoder Key

SEED

28:

60 bits

Encoder Seed Value

3.1.2.2

TCODE

30:

32 bits

Transport Code

3.2.3.2

DISC

34:

10 bits

Encoder Discrimination Value

3.1.8

RFEN

36: 7 -------RF Enable Pin

0 - S3

1 - RF Enable

3.1.4.8

PLLSEL

36: - 6 ------PLL Interface Select

0 - ASK

1 - FSK

3.1.4.7

VLOWSEL

36: --5 -----Low Voltage Trip Point Select (2)

0 - 2.2V

1 - 3.3V

3.1.4.6

CNTSEL

36: ---4 ----Counter Select

0 - 16 bits

1 - 20 bits

3.1.4.5

QUEN

36: ----3 ---Queue Counter Enable

0 - Disable

1 - Enable

3.1.4.4

XSER

36: -----2 --Extended Serial Number

0 - 28 bits

1 - 32 bits

3.1.4.3

HSEL

36: ------1 -Header Select (1)

0 - 4 TE

1 - 10 TE

3.1.4.2

MSEL

36: -------0 Modulation Format

0 - PWM

1 - Manchester

3.1.4.1

SDMD

37: 7 -------Seed Mode

0 - User

1 - Production

3.1.4.12

SDLM

37: - 6 ------Limited Seed

0 - Unlimited

1 - Limited

3.1.4.11

SDTM

37: --5 4 ----Time Before Seed code word (1)

Value

Time (s)

3.1.4.10

002

0.0

012

0.8

102

1.6

112

3.2

SDBT

37: ---- 3210Seed Button Code

Bit order = S3-S2-S1-S0

3.1.4.9

TSEL

38: 7 6 ------Timeout Select (1)

Value

Time (s)

3.1.4.16

002

012

102

112

MTX

38: --5 4 ----Minimum Code Words

Value

3.1.4.15

002

012

102

112

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