HTRM440 Datasheet, PDF (4/16 Pages) NXP Semiconductors – HITAG proximity reader module hardware

Philips Semiconductors
HITAG proximity reader module
hardware
5 BLOCK DIAGRAM
Product specification
HTRM440 family
handbook, full pagewi_Ddt_Ch _POWER
SUPPLY
9 to 16 V
HOST
SYSTEM
VOLTAGE
REGULATION
FILTERING
I/O FUNCTIONS
LINE DRIVER
RS232
RS485
RS422
EEPROM
MEMORY
TRANSMITTER
MICRO-
CONTROLLER
RECEIVER
CORE MODULE
HTCM400
HTRM440
MGW269
R1
C
R2 ⁽¹⁾
L
antenna
(1) R2 has only to be used for antenna cable lengths of more than 500 mm.
Fig.1 Block diagram.
6 PINNING
6.1 Input and output pins
The pins for all inputs, outputs and antenna connections are shown in Fig.2.
SYMBOL
PIN TYPE⁽¹⁾
DESCRIPTION
D1 cathode
D1 anode
D2 cathode
D2 anode
D3 cathode
D3 anode
SW1 a
SW1 b
SW2 a
SW2 b
RX
TX1
TX2
1
P
these pins can be used to connect a power LED1
2
O
3
P
these pins can be used to connect LED2 and LED3 which are driven by the
4
O
output pins of the core module
5
P
6
O
7
I
these pins can be used as inputs for switch SW1 and SW2 and are internally
8
GND ^{connected to pins 17 and 18 of the HITAG core module}
9
I
10
GND
11
I
receiver input; this antenna signal input has to be connected to the input line of
the antenna
12
O
transmitter output; this antenna signal output has to be connected to the
output line of the antenna
13
GND antenna ground; the ground line of the antenna has to be connected to this pin
Note
1. P = power supply pin, O = output pin, I = input pin and GND = ground supply pin.
2001 Oct 04
4