EPM-15 Reference Manual
41
Special Registers
Special Control Register
SCR (READ/WRITE) 1D0h
D7 D6
D5
D4
D3
D2
D1
D0
PLED Reserved OVERTEMP Reserved
Reserved Reserved Reserved Reserved
Table 16: Special Control Register Bit Assignments
Bit Mnemonic Description
D7 PLED
Light Emitting Diode
— Controls the programmable LED on connector J4
0 =
Turns LED on
1 =
Turns LED off
D6 Reserved
Reserved
— This bit has no function.
D5 OVERTEMP
Temperature Status
—
Indicates CPU temperature.
0 =
CPU temperature is below value set in the CMOS setup
1 =
CPU temperature is above value set in the CMOS setup
This bit is read-only.
D4-D0 Reserved
Reserved
— These bits have no function.
7
7