HT-CM400 NXP Semiconductors, HT-CM400 Datasheet - Page 65

• Manufacturer Part Number: HT-CM400
• Description: Ht Cm400; Ht Rm440 Family; Ht Rm800 Family Interface Protocol Reader - Host
• Manufacturer: NXP Semiconductors

98-02-10
Rev. 1.0
Communication Reader-Host
3.8.2 WriteSerNum
Writes a 11 byte serial number into the EEPROM of the read/write device.
ATTENTION: The serial number in Philips Semiconductors’ Core Module is already fixed
and write-protected at delivery.
C-Function: void proloc_WriteSerNum (char *snr);
Header-File: PROLIB6.H
Serial protocol:
HOST - READ/WRITE DEVICE
0x0D
's'
Snr[0]
.....
Snr[10]
BCC
READ/WRITE DEVICE - HOST
0x02
Status
BCC
Status:
0 ... no error
- 1 ... SERIAL ERROR (in this case the error can also mean, that the read/write
device is not in the KeyInit Mode!)
-12 ... EEPROM WRITE PROTECTED
If any error occurs KeyInit Mode is exited immediately.
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Htswp.doc/HS