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Offset 1 Page Register for Programming (Port Address +1)
Offset 1 controls the paging bits for the ROM. This feature is needed for program-
ming flash.
Table 2- 13. Offset 1 Page Register for Programming (Port Address +1)
Bit
Signal
0
Control ROM/RAM15
1
Control ROM/RAM16
2
Control ROM/RAM17
3
Reserved
4
Reserved
5
Reserved
6
Reserved
7
Reserved
Connectors
This section describes the connectors for the AHIP-370. Appendix C provides the
pinouts for each of the connectors.
Parallel Port Connector (PARCOM2)
The parallel port is a stacked DB 25-pin connector.
Serial Port Connectors
There are two serial ports supported on the AHIP-370 board.
COM1 Connector (COM1)
The COM1 is a nine pin connector consisting of two connectors attached to one
logical port. Only one connector can be used at a time, either the RS-232 port or the
RS-485 port.
COM2 Connector (PARCOM2)
The COM2 connector is a male DB 25-pin connector. This port can be used for three
separate devices (but only one at a time):
•
Touch screen controller
•
IrDA interface
•
LPT1/COM2 RS-232 connector
Result
ROM address 15-page control bit
ROM address 16-page control bit
ROM address 17-page control bit
0
0
0
0
0
Chapter Two - Installation
R/W
R/W
R/W
R/W
R
R
R
R
R
23
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