Special Registers; Special Control Register - VersaLogic EPM-5 Reference Manual

Special Control Register

SCR (READ/WRITE) 1D0h
D7 D6
PLED Reserved
Bit Mnemonic
D7 PLED
D6 Reserved
D5 OVERTEMP
D4-D0 Reserved
EPM-5 Reference Manual
D5 D4
OVERTEMP Reserved
Table 16: Special Control Register Bit Assignments
Description
Light Emitting Diode — Controls the programmable LED on connector J4
0 = Turns LED on
1 = Turns LED off
Reserved — This bit has no function.
Temperature Status
0 = CPU temperature is below value set in the CMOS setup
1 = CPU temperature is above value set in the CMOS setup
Note: This bit is a read-only bit.
Reserved — These bits have no function.

Special Registers

D3 D2
Reserved Reserved
—
Indicates CPU temperature.
7 7
D1 D0
Reserved Reserved
41