Each location in Control Memory consists of an 8-bit wide Command Word. Table B-1 shows the bit fields in each Command Word:
|
7 |
6 |
5 |
4 |
3 2 |
1 0 |
|
OE3 |
OE2 |
OE1 |
OE0 |
CND |
Op Code |
GX5150 Command Word
|
Flied |
Description |
|
Op Code |
Bit 0 and Bit 1 define the Operation code field. |
|
CND |
Bit 2 and Bit 3 define the Conditions field. |
|
OEn |
Bits 4 through bit 7 are the output enables for group n (where n = 0-3). These are valid only when the GX515x is in output mode. This feature is not used when programmed for input mode. A logic low level enables the corresponding output driver. |
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