HT-CM400 NXP Semiconductors, HT-CM400 Datasheet - Page 27
HT-CM400
Manufacturer Part Number
HT-CM400
Description
Ht Cm400; Ht Rm440 Family; Ht Rm800 Family Interface Protocol Reader - Host
Manufacturer
NXP Semiconductors
Datasheet
1.HT-CM400.pdf
(104 pages)
- Current page: 27 of 104
- Download datasheet (360Kb)
98-02-10
3.7.12 GetSnr_LT
This command is applied to a HITAG 2 transponder being in Password or Crypto Mode.
The command selects the transponder and provides its serial number and Configuration Byte
-config-.
If the byte -Status- shows „no error“ the transponder is selected and ready for read or write
accesses.
The byte -mode- selects one of two possible modes: Password or Crypto.
C-Function: void proloc_GetSnr_LT (BYTE_T mode, DWORD_T *snr, BYTE_T *config);
Header-File: PROLBLT6.H
Serial protocol:
HOST - READ/WRITE DEVICE
mode:
READ/WRITE DEVICE - HOST
config:
n = 0 if an error occurred (error code in Status).
n = 5 if data were read from a transponder (Status = 0).
Status:
0x03
n+2
0x80
Status
0x00 ... Password
0x01 ... Crypto
Configuration Byte of HITAG 2
-1 ...
-3 ...
-5 ...
-6 ...
-7 ...
0 ... no error
mode
SERIAL ERROR
NOTAG
INCORRECT PASSWORD RWD
INCORRECT PASSWORD TAG
AUTHENTICATION ERROR
7
SNR-LSB
BCC
0
------
------
Page 27 (104)
Rev. 1.0
31
SNR-MSB
24
config
Communication Reader-Host
BCC
Htswp.doc/HS
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