HCSXXX Datasheet, PDF (6/28 Pages) Microchip Technology – Memory Programming Specification

HCSXXX
TABLE 2-3: HCS300 12 X 16-BIT EEPROM MEMORY MAP
Word Address
Mnemonic
Description
0x00
KEY_0
Word 0 (LSb's) of 64-bit crypt key
0x01
KEY_1
Word 1 of 64-bit crypt key
0x02
KEY_2
Word 2 of 64-bit crypt key
0x03
KEY_3
Word 3 (MSb's) of 64-bit crypt key
0x04
SYNC
16-bit synchronization value
0x05
Reserved
Set to 0x0000
0x06
0x07
SER_0
SER_1⁽¹⁾
Word 0 (LSb's) of 32-bit serial number
Word 1 (MSb's) of 32-bit serial number
0x08
SEED_0
Word 0 (LSb's) of 32-bit seed value
0x09
SEED_1
Word 1 (MSb's) of 32-bit seed value
0x0A
Reserved
Set to 0x0000
0x0B
CONFIG
Configuration Word
Note 1: MSb of this word is used for auto-shutoff timer.
TABLE 2-4: HCS301 12 X 16-BIT EEPROM MEMORY MAP
Word Address
Mnemonic
Description
0x00
KEY_0
Word 0 (LSb's) of 64-bit crypt key
0x01
KEY_1
Word 1 of 64-bit crypt key
0x02
KEY_2
Word 2 of 64-bit crypt key
0x03
KEY_3
Word 3 (MSb's) of 64-bit crypt key
0x04
SYNC
16-bit synchronization value
0x05
Reserved
Set to 0x0000
0x06
0x07
SER_0
SER_1⁽¹⁾
Word 0 (LSb's) of 32-bit serial number
Word 1 (MSb's) of 32-bit serial number
0x08
SEED_0
Word 0 (LSb's) of 32-bit seed value
0x09
SEED_1
Word 1 (MSb's) of 32-bit seed value
0x0A
Reserved
Set to 0x0000
0x0B
CONFIG
Configuration Word
Note 1: MSb of this word is used for auto-shutoff timer.
TABLE 2-5: HCS320 12 X 16-BIT EEPROM MEMORY MAP
Word Address
Mnemonic
Description
0x00
KEY_0
Word 0 (LSb's) of 64-bit crypt key
0x01
KEY_1
Word 1 of 64-bit crypt key
0x02
KEY_2
Word 2 of 64-bit crypt key
0x03
KEY_3
Word 3 (MSb's) of 64-bit crypt key
0x04
SYNC
16-bit synchronization value
0x05
Reserved
Set to 0x0000
0x06
0x07
SER_0
SER_1⁽¹⁾
Word 0 (LSb's) of 32-bit serial number
Word 1 (MSb's) of 32-bit serial number
0x08
—
Not used
0x09
—
Not used
0x0A
Reserved
Set to 0x0000
0x0B
CONFIG
Configuration Word
Note 1: MSb of this word is used for auto-shutoff timer.
DS41256A-page 6
Preliminary
 2004 Microchip Technology Inc.