TAS3218 Datasheet, PDF (65/79 Pages) Texas Instruments – DIGITAL AUDIO PROCESSOR WITH ANALOG INTERFACE

TAS3218
www.ti.com ....................................................................................................................................................................................................... SLES235 – JULY 2008
BYTE
12
3
4
67
78
Table 28. Load Memory Control Register (0x04)
DATA BLOCK FORMAT
Checksum code
Memory to be loaded
Unused
Starting TAS3218
Memory address
Number of data bytes to be transferred
SIZE
2 bytes
1 byte
1 byte
2 bytes
2 bytes
NOTES
Checksum of bytes 2 through N+8, If this is
a termination header, this value is 00 00.
0: Micro Program memory
1: Micro External Data memory
2: DSP Program memory
3: DSP Coefficient memory
4: DSP Data Memory
515: Reserved
Reserved
If this is a termination header, this value is
00 00
If this is a termination header, this value is
00 00
BYTE
1
2
3
4
5
6
7
8
8-BIT DATA
Datum 1 D7D0
Datum 2 D7D0
Datum 3 D7D0
Datum 4 D7D0
Datum 5 D7D0
Datum 6 D7D0
Datum 7 D7D0
Datum 8 D7D0
Table 29. Load Memory Data Register (0x05)
24-BIT DATA
D23D16
D15D8
D7D0
D23D16
D15D8
D7D0
28-BIT DATA
XXXX D27D24
D23D16
D15D8
D7D0
XXXX D27D24
D23D16
D15D8
D7D0
48-BIT DATA
D47D40
D39D32
D31D24
D23D16
D15D8
D7D0
55-BIT DATA
X D54D48
D47D40
D39D32
D31D24
D23D16
D15D8
D7D0
PEEK and POKE (0x06 and 0x07)
Registers 0x06 (Table 30) and 0x07 (Table 31) allow the user to access the internal resources of TAS3218.
Figure 40 shows the I²C transaction for PEEK and POKE register.
BIT 31 30
00
BIT 23 22
00
00
00
00
00
00
00
00
BIT 15 14
00
BIT 7 6
00
Table 30. Memory Select and Address (0x06)
29 28 27 26 25 24
0
0
00
0
0
21 20 19 18 17 16
0
0
00
0
1
0
0
00
1
0
0
0
00
1
1
0
0
01
0
0
0
0
01
0
1
0
0
01
1
0
0
0
01
1
1
0
0
10
0
0
13 12 11 10 9
8
0
0
00
0
0
5
4
32
1
0
0
0
00
0
0
DESCRIPTION
Unused
DSP coefficient memory load error
DSP data memory load error
DSP delay memory
M8051 internal data memory
M8051 external data memory
Extended special function registers
M8051 program memory
DSP program memory
Memory address MSB
Memory address LSB
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