FEDL22660-01
ML22660
RDVER command
・
Command
1
0
1
1
0
1
0
0
1st byte
The RDVER command read sound ROM identification information. This command can be input regardless of the NCR
signal status.
When reading the identification information in the second byte after command input, set the SI pin to "L".
The identification information read in the second byte is as follows:
2nd byte
D7
D6
D5
D4
D3
D2
D1
D0
Output data
VER7
VER6
VER5
VER4
VER3
VER2
VER1
VER0
Sound ROM identification information can be set by using dedicated tool (Speech LSI Utility) when creating sound ROM
data.
For the timing of the RDVER command, refer to the "RDVER command timing" in the timing chart.
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