VMP2
Functional Description
ID 24855, Rev. 02
Page 2 - 16
© 2002 PEP Modular Computers GmbH
2.5.5
Serial Interface Expansion Connector and Pinout
The serial interface expansion connector provides the capability to add different front
end interfaces to the UART B signals. For example, an opto-isolated RS422/485 module
(currently under development) may be plugged onto this connector.
2.5.5.1 Serial Interface Expansion Connector CON3 Pinout
2.5.6
Memory Expansion Interface
Figure 2-9: Memory Expansion Connector IC8
A 32-pin DIL600 socket is provided in order to make possible the addition
of various memory expansion devices (with access time <120ns). The
devices which have been tested and approved for this connector are as fol-
lows:-
DIL type Flash memory (up to 512 kB)
DIL SRAM (up to 512 kB) e.g. Samsung KM684000BLP-7
NVSRAM (up to 512 kB) e.g. DALLAS DS1250Y-100)
Eprom (up to 512 kB) e.g. 27C040
M-Systems DiskOnChip 2000 (up to 288 MB)
Table 2-5: Serial Interface Expansion Connector (CON3) Pinout
Pin Number
Function
Function
Pin Number
1
GND
RTSB
2
3
RE
DE
4
5
RxD
TxD
6
7
CTS
DTR
8
9
SCL
SDA
10
11
+3.3V
VCC
12
Note:
For the pinout of this connector please see Chapter 4,
section 4.2.1
1
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