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VL-EPICs-36 Reference Manual
48
Special Registers
Product Code Register
PRODCODE (Read/Write) CA0h (or C90h)
D7
D6
D5
D4
D3
D2
D1
D0
PLED
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Table 25: Product Code Register Bit Assignments
Bit
Mnemonic
Description
D7
PLED
Light Emitting Diode
— Controls the programmable LED on connector J13.
0 = Turns LED on
1 = Turns LED off
D6-D0
PC
Product Code
— These bits are hard-coded to represent the product type. The VL-
EPICs-36 always reads as 0000001. Other codes are reserved for future products.
PC6 PC5 PC4 PC3 PC2 PC1
PC0
Product Code
0
0
0
0
1
0
0
VL-EPICs-36
These bits are read-only.
7
7