935260219122 データシートの表示（PDF） - Philips Electronics
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935260219122 Datasheet PDF : 22 Pages
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Specifications of the HT2 MOA3 S20
Rev. 1.1
1997-08-19
5.2.3 Configuration
The Configuration Byte is represented by the first 8 bits of Page 3 of the transponder memory.
Configuration Byte:
76543210
0: Manchester Code
1: Biphase Code
Bit 2 Bit 1 Version
Coding
Coding in
HITAG 2-Operation
0 0 Public Mode biphase
B
depending on bit 0
0 1 Public Mode manchester
A
depending on bit 0
1 0 Public Mode C biphase
depending on bit 0
1 1 HITAG 2
depending on bit 0 depending on bit 0
0: password mode
1: crypto mode
0: PAGE 6 and 7 read/write
1: PAGE 6 and 7 read only
0: PAGE 4 and 5 read/write
1: PAGE 4 and 5 read only
THE SETTING OF THIS BIT IS OTP !
0: PAGE 3 read/write
1: PAGE 3 read only; Configuration Byte and Password TAG fixed
THE SETTING OF THIS BIT IS OTP !
0: PAGE 1 and 2 read/write
1: PAGE 1 no read/no write
PAGE 2 read only (when transponder is in password mode)
PAGE 2 no read/no write (when transponder is in crypto mode)
Configuration Byte / Bit 6:
Bit 6 = ‘0’: Page 3 is read/write.
Bit 6 = ‘1’: Page 3 can only be read. This process is irreversible !
ATTENTION: Do not set Bit 6 of the Configuration Byte to ‘1’ before having written the
final data into Page 3 (including the Configuration Byte and Password TAG) of the
transponder.
Configuration Byte / Bit 7:
Bit 7 = ‘0’: Pages 1 and 2 are read/write.
Bit 7 = ‘1’: Pages 1 and 2 are locked against writing. This process is irreversible !
ATTENTION: Do not set Bit 7 of the Configuration Byte to ‘1’ before having written the
final data into Pages 1 and 2 of the transponder.
Ht2moa3.doc/HS
Page 15 of 22
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