User's Manual

Configuring the IM4 as a PC Card Module (Default)
10 IM4 Module Integration Guide
Configuring the IM4 as a PC Card Module (Default)
In PC card mode, the IM4 interface emulates a standard 16C550 UART.
To your PC, the IM 4 appears as a serial port. You can use a
communications program, such as HyperTerminal, to communicate with
the IM4 using the Basic Reader Interface (BRI). For more information on
the BRI, see the Basic Reader Interface (BRI) Programmer’s Reference Guide
(P/N 937-000-xxx).
All signals are 3.3 V logic levels (5 V tolerant inputs).
Pins 7 (CE1#), 44 (IORD#), and 45 (IOWR#) determine if the IM4
operates in PC Card mode or in Serial mode. If the three signals are not
grounded, the IM4 operates in PC Card mode.
Low High Notes
Inputs 0 V to 0.8 V 2.4 V to 5.5 V Input current is ±10 μA max
Outputs 0.4 V Max @ 8 mA 2.9 V min @ -8 mA
Note: Pins with a # in the pin name indicate an active low signal.
PC Card Module Pinout
Pin No. Pin Name Definition Pin No. Pin Name Definition
1GND Ground Vss 35GNDGround Vss
2 D3 Data bit 3 36 CD1# Card detect 1 (GND)
3 D4 Data bit 4 37 D11 Data bit 11
4 D5 Data bit 5 38 D12 Data bit 12
5 D6 Data bit 6 39 D13 Data bit 13
6 D7 Data bit 7 40 D14 Data bit 14
7 CE1# Card enable 1 41 D15 Data bit 15
8 A10 Address bit 10 42 CE2# Card enable 2
9 OE# Output enable 43 VS1# Voltage sense 1 (NC)
10 A11 Address bit 11 44 IORD# “I/O read from host”
11 A9 Address bit 9 45 IOWR# “I/O write from host”
12 A8 Address bit 8 46 A17# Address bit 17
13 A13 Address bit 13 47 A18 Address bit 18
14 A14# Address bit 14 48 A19 Address bit 19
15 NC Not connected 49 A20 Address bit 20
16 NC Not connected 50 A21 Address bit 21
17 Vcc +5V for this IM4 51 Vcc +5V for this IM4
18 Vpp Programming supply voltage
(not connected)
52 Vpp Programming supply voltage (not
connected)
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