HT-CM400 NXP Semiconductors, HT-CM400 Datasheet - Page 41
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: 41 of 104
- Download datasheet (360Kb)
98-02-10
3.7.25 PollKbTags
This command polls once for a transponder in the RF-field of the read/write device antenna and
reads the keyboard-buffer and the digital inputs IN1 and IN2. The read/write device does not
enter the Permanent Reading Mode.
Port 0 of the HITAG Communication Controller is used to connect a keyboard-matrix.
See document „HT RC100 HITAG
connections and key-decoding.
ATTENTION: To use the keyboard-decoding function a special hardware with connected
Port 0 signals is required (Port 0 signals are not available on pin connectors of Philips
Semiconductors’ Core Modules).
C-Function: void proloc_PollKBTags (BYTE_T mode, char *data);
Header-File: PROLIB6.H
Serial protocol:
HOST - READ/WRITE DEVICE
mode:
READ/WRITE DEVICE - HOST
n = 0 no transponder in RF-filed
n = 4 keyboard-buffer not empty or transponder in RF-field
n = 8 keyboard-buffer not empty and transponder in RF-field
info:
0x03
n+2
0x90
info
0x00 ... poll keyboard-matrix and inputs
0x80 ... poll serial number of HITAG 1 transponder in Standard Protocol Mode,
0x81 ... poll serial number of HITAG 2 transponder in Crypto Mode, keyboard-
0x82 ... poll serial number of HITAG 2 transponder in Password Mode, keyboard
0x83 ... poll serial number of HITAG 1 transponder in Advanced Protocol Mode,
bit0 ... state of input IN1
bit1 ... state of input IN2
bit6 ... when set protocol contains keyboard-buffer
bit7 ... when set protocol contains serial number
mode
keyboard-matrix and inputs
matrix and inputs
matrix and inputs
keyboard-matrix and inputs
optional 4 bytes
keyboard-buffer
BCC
TM
Communication Controller“ for information about hardware
Page 41 (104)
optional 4 bytes
Rev. 1.0
serial number
BCC
Communication Reader-Host
Htswp.doc/HS
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