
TC9496AF
2002-01-11
25
Command-46h (0100 0110): CRAM
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
CRAMA
9
CRAMA
8
CRAMA
7
CRAMA
6
CRAMA
5
CRAMA
4
CRAMA
3
CRAMA
2
CRAMA
1
CRAMA
0
Bit
Name
Description
Value
Operation
D9
to
D0
CRAMA
[9:0]
CRAM (coefficient RAM) head
address
000h
to
1BFh
CRAM address of the head at the time of writing in by 46h
command is set up.
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
CRAMD
15
CRAMD
14
CRAMD
13
CRAMD
12
CRAMD
11
CRAMD
10
CRAMD
9
CRAMD
8
CRAMD
7
CRAMD
6
CRAMD
5
CRAMD
4
CRAMD
3
CRAMD
2
CRAMD
1
CRAMD
0
Bit
Name
Description
Value
Operation
D15
to
D0
CRAMD
[15:0]
CRAM data
7FFFh
to
8000h
Set CRAM data (two-complement-form formula)
The data written in continuously are sent after transmitting CRAM head address (2 bytes).
Enable a sequential write to RAM.
46h-CRAM address (2 bytes)-Data (2 bytes)-Data (2 bytes)-........-Data (2 bytes)
Command-47h (0100 0111): CRAM-ACMP
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
CRAMA
9
CRAMA
8
CRAMA
7
CRAMA
6
CRAMA
5
CRAMA
4
CRAMA
3
CRAMA
2
CRAMA
1
CRAMA
0
Bit
Name
Description
Value
Operation
D9
to
D0
CRAMA
[9:0]
CRAM first address
000h
to
1BFh
CRAM address of the head at the time of writing in by 47h
command is set up.
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
CRAMD
15
CRAMD
14
CRAMD
13
CRAMD
12
CRAMD
11
CRAMD
10
CRAMD
9
CRAMD
8
CRAMD
7
CRAMD
6
CRAMD
5
CRAMD
4
CRAMD
3
CRAMD
2
CRAMD
1
CRAMD
0
Bit
Name
Description
Value
Operation
D15
to
D0
CRAMD
[15:0]
CRAM data
7FFFh
to
8000h
Set CRAM data (two-complement-form formula)
It is CRAM write-in command which used the address compare mode. A maximum of 32 words is
written at once.
The data written in continuously are sent after transmitting CRAM head address (2 bytes).
Enable a sequential write to RAM.
47h-CRAM address (2 bytes)-Data (2 bytes)-Data (2 bytes)-........-Data (2 bytes)