GE CM6 Hardware Reference Manual page 48

Bit
0
1
2
3
4
5
6
7
GE Intelligent Platforms – CM6 Hardware Reference Manual, Fourth Edition
Control Register (CR)
Address: Base + Offset 1
Size: 8 bit
Name Write
COM2_DE 0: COM2 RS422/485 driver
is disabled
1: COM2 RS422/485 driver
is enabled
WP_FLASH 0 – Flash is writeable
1 - Flash is write protected
WP_SPD 0 – SPD EEPROM is
writeable
1 - SPD EEPROM is write
protected
WDG_WP 0 – Watchdog Control
Register (WCR) is not write
protected
1 – Watchdog Control
Register (WCR) is write
protected
LED_GREEN 0 - green part off the bi-color
LED is off
1- green part of the bi-color
LED is on
LED_RED 0 – red part off the bi-color
LED is off
1- red part of the bi-color
LED is on
BOARD_STAT 0 – set the BOARDSTAT
output signal to high
1 – set the BOARDSTAT
output signal to low
MASK_SMI 0 – SMI output of PLD is
enabled
1 – SMI output is masked
and force SMI to inactive
Table 10: Control Register (CR)
Read
0: COM2 RS422/485
driver is disabled
1: COM2 RS422/485
driver is enabled
0 – Flash is writeable
1 - Flash is write
protected
0 – SPD EEPROM is
writeable
1 - SPD EEPROM is
write protected
0 – Watchdog Control
Register (WCR) is not
write protected
1 – Watchdog Control
Register (WCR) is
write protected
0 - green part off the
bi-color LED is off
1- green part of the bi-
color LED is on
0 - red part off the bi-
color LED is off
1- red part of the bi-
color LED is on
0 – BOARDSTAT
output signal is high
1 – BOARDSTAT
output signal is low
0 – SMI output of
PLD is enabled
1 – SMI output is
masked and force
SMI to inactive
Default
0- driver
disabled
1- Flash write
protected
1- SPD
EEPROM is
write
protected
0 – Watchdog
Control
Register
(WCR) is not
write
protected
0 - green part
off the bi-
color LED is
off
0 - red part
off the bi-
color LED is
off
0 – set the
BOARDSTA
T output
signal to high
0 - SMI
output of
PLD is
enabled
Page 47