Offset 1 Page Register For Programming (Port Address +1); Connectors; Parallel Port Connector (Parcom2); Serial Port Connectors - Xycom AHIP6+ Manual

AHIP6+ Manual

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.
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 AHIP6+. 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 AHIP6+ board.

COM1 Connector (COM1)

The COM1 is a nine pin connector consisting of two connectors attached to one logi-
cal 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
2-10
Table 2- 13. Offset 1 Page Register for Programming (Port Address +1)
Result
ROM address 15-page control bit
ROM address 16-page control bit
ROM address 17-page control bit
0
0
0
0
0
R/W
R/W
R/W
R/W
R
R
R
R
R