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HCS410 bảng dữ liệu(PDF) 17 Page - Microchip Technology

tên linh kiện HCS410
Giải thích chi tiết về linh kiện  KEELOQ CODE HOPPING ENCODER AND TRANSPONDER
PDF  36 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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HCS410 bảng dữ liệu(HTML) 17 Page - Microchip Technology

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



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