DECISION COMPUTER INTERNATIONAL CO., LTD.
IPCCPU
|
Processor |
Z80 |
|
Processor Speed |
9.83MHz |
|
Chipset |
Unidentified |
|
Maximum Onboard Memory |
32KB SRAM/32KB EPROM |
|
BIOS |
Unidentified |
|
Video Chipset |
Unidentified |
|
Maximum Video Memory |
Unidentified |
|
Video Types Supported |
LCD display |
|
Highest Resolution Supported |
4 x 20 (text only) |
|
I/O Options |
Serial ports (2), LCD video out, expansion bus |
|
Dimensions |
80 x 100mm |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
External battery connector |
JP6 |
Expansion bus |
P7 |
|
5V DC power in |
P1 |
Reset switch |
P9 |
|
Generic serial port 2 |
P3 |
LCD video out |
P10 |
|
Generic serial port 1 |
P4 |
IC5 voltage adjustment |
RV1 |
|
Keyboard connector (IPCKEY/IPCKEYM) |
P5 |
LCD contrast adjustment |
RV2 |
|
Note:RV1 should be adjusted so that pin 4 of IC5 is 1.3V and pin 5 is equal to the voltage going into P1. P3 and P4 are not RS-232 serial. The interface type is provided by one of the boards on the sections for the IPC232ST, IPC232CL, and IPC422/485 cards. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
System interrupt timers enabled |
JP1 |
Closed | |
|
System interrupt timers disabled |
JP1 |
Open | |
|
MAX960 chip not installed in IC5 |
JP2 |
Closed | |
|
MAX960 chip installed in IC5 |
JP2 |
Open | |
|
Watchdog timer disabled |
JP3 |
Open | |
|
Watchdog timer enabled |
JP3 |
Closed | |
|
Power fail interrupt disabled |
JP4 |
Open | |
|
Power fail interrupt enabled |
JP4 |
Closed | |
|
Real-time clock interrupt disabled |
JP5 |
Open | |
|
Real-time clock interrupt enabled |
JP5 |
Closed | |
|
Keyboard enabled |
JP7 |
Pins 2 & 3 closed | |
|
Keyboard disabled |
JP7 |
Pins 1 & 2 closed | |
|
Card Type |
Serial |
|
Chipset |
Unidentified |
|
I/O Options |
Serial port |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Header to main board P3 or P4 |
P1 |
RS-232 or current loop serial port |
P3 |
|
DC power in |
P2 | ||
IPCCPU (IPC422/485 SERIAL CARD)
|
Card Type |
Serial |
|
Chipset |
Unidentified |
|
I/O Options |
Serial port |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Header to main board P3 or P4 |
P1 |
RS-422 or RS-485 serial port |
P3 |
|
DC power in |
P2 | ||
|
SERIAL PORT CONFIGURATION | ||
|
Setting |
JP2 |
JP3 |
|
RS-422 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
RS-485 |
Pins 1 & 2 closed |
Open |
|
RECEIVER ENABLE SELECTION | |||
|
Setting |
JP1/A |
JP1/B |
JP1/C |
|
RTS enables receiver |
Closed |
Open |
Open |
|
DTR enables receiver |
Open |
Open |
Closed |
|
Receiver always enabled |
Open |
Closed |
Open |
|
Note:The receiver may not be always enabled in RS-485 mode. | |||
|
MISCELLANEOUS TECHNICAL NOTE |
|
No information is available on the IPC232FS card. |