HCS410-ISN MICROCHIP [Microchip Technology], HCS410-ISN Datasheet - Page 17

• Manufacturer Part Number: HCS410-ISN
• Description: KEELOQ CODE HOPPING ENCODER AND TRANSPONDER
• Manufacturer: MICROCHIP [Microchip Technology]

2.5
TABLE 2-4:
Command
1997 Microchip Technology Inc.
1X000
1X001
1X100
1X101
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
IFF Opcodes
Select HCS410, used if Anticolli-
sion enabled
Read configuration word
Read high serial number
Read low serial number
Read user area 0
Read user area 1
Read user area 2
Read user area 3
Program HCS410 EEPROM
Write configuration word
Write high serial number
Write low serial number
Write user area 0
Write user area 1
Write user area 2
Write user area 3
IFF1 using key-1 and IFF
algorithm
IFF1 using key-1 and HOP
algorithm
IFF2 32-bit using key-2 and IFF
algorithm
IFF2 32-bit using key-2 and HOP
algorithm
LIST OF IFF COMMANDS
Description
1 to 32 bits of the serial number
(SER)
None
None
None
None
None
None
None
Transport code (32 bits); Com-
plete memory map: 18 x 16 bit
words (288 bits)
Transport code (32 bits); 16 Bit
configuration word
Transport code (32 bits); Higher
16 bits of serial number (SER1)
Transport code (32 bits); Lower
16 bits of serial number (SER0)
16 Bits of User EEPROM USR0
16 Bits of User EEPROM USR1
16 Bits of User EEPROM USR2
16 Bits of User EEPROM USR3
32-Bit Challenge
32-Bit Challenge
32-Bit Challenge
32-Bit Challenge
Preliminary
Expected data In
Encoder select acknowledge if
SER match
16-bit configuration word
Higher 16 bits of serial number
(SER1)
Lower 16 bits of serial number
(SER0)
16 Bits of User EEPROM USR0
16 Bits of User EEPROM USR1
16 Bits of User EEPROM USR2
16 Bits of User EEPROM USR3
Write acknowledge pulse after
each 16-bit word, 288 bits trans-
mitted in 18 bursts of 16-bit
words
Write acknowledge pulse
Write acknowledge pulse
Write acknowledge pulse
Write acknowledge pulse
Write acknowledge pulse
Write acknowledge pulse
Write acknowledge pulse
32 Bit Response
32 Bit Response
32 Bit Response
32 Bit Response
Response
HCS410
DS40158C-page 17