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Installing the Board
3.3
3.1.3. Register’s description RS232/RS485
CPLD
Address
D7
D6
D5
D4
D3
D2
D1
D0
READ
n90h*
NU NU NU
RS485
RS232
ST1
NU NU
WRITE
n90h*
NU NU NU
RS485
RS232
ST1
NU NU
Power-up Default
0
1
0
ST1
: Enable RTS2 to be used as 485TX ENABLE when in 485 mode
RS232 : Enable UART2 RS232 operation
RS485 : Enable UART2 RS422 and 485 operation
The serial port 2 mode can be controlled by setting three bits. Here are the possibilities.
Mode
Bit RS485
Bit RS232
Bit ST1
RS232
0 1 X
RS422
1 0 0
RS485
1 0 1
X : Don’t care
3.1.4. History and monitor status
CPLD
Address D7
D6
D5
D4
D3
D2
D1
D0
READ
n91h*
PBRST
NU
WDO
NU NU NU NU PFO
WRITE
n91h*
NU NU NU NU NU NU NU NU
Power-up Default
PFO
: Read the external power fail flag
PBRST : When high, indicate that the last system reset was caused by push button reset
switch
WDO
: When high, indicate that the last system reset was caused by watchdog time out
Содержание cPCI-DMXS64GX
Страница 69: ...cPCI DMXS64GX Technical Reference Manual 3 26 1 Rev...
Страница 83: ...4 SOFTWARE SETUPS 1 BIOS SETUP PROGRAM 2 UPDATING OR RESTORING THE BIOS IN FLASH 3 VT100 MODE 4 PART...
Страница 108: ...D 1 D BOARD DIAGRAMS D 1 TOP DEVICES SURFACE MOUNT...
Страница 109: ...cPCI DMXS64GX Technical Reference Manual D 2 D 2 ASSEMBLY BOTTOM DIAGRAM...
Страница 110: ...Board Specifications D 3 D 3 MOUNTING HOLES...
Страница 111: ...cPCI DMXS64GX Technical Reference Manual D 4 D 4 CONNECTOR HOLES...