| Field Name |
Length (bits) |
Bit |
Contents |
Description |
| Item |
Total |
Algn |
Off |
| readPram |
96 | 96 |
16 |
0 |
command Packet |
Initiate memory read of DEA PRAM (see table 60, swreq Rev. I) |
header |
48 | 48 |
16 |
0 |
command Header |
Command Packet Header |
commandLength |
16 | 16 |
16 |
0 |
uint16 = 6 |
Number of 16-bit words in the command packet |
commandIdentifier |
16 | 16 |
16 |
16 |
uint16 |
Used by ground to identify the command |
commandOpcode |
16 | 16 |
16 |
32 |
uint16 = 7 |
Command Operation code which determines format and action of the command [see enum CmdOpcode]: CMDOP_READ_PRAM |
ccdId |
4 | 4 |
1 |
48 |
uint4 |
CCD Controller whose PRAM is to be read [see enum CcdId] |
readIndex |
16 | 16 |
16 |
64 |
uint16 |
Index into PRAM to start the read |
wordCount |
16 | 16 |
16 |
80 |
uint16 |
Number of 16-bit words to read from PRAM |