Datasheet

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SLAS412− DECEMBER 2003
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’AIC26 MEMORY MAP
The ’AIC26 has several 16-bit registers which allow control of the device as well as providing a location for results from
the ’AIC26 to be stored until read by the host microprocessor. These registers are separated into three pages of memory
in the ’AIC26: a data page (Page 0) and control pages (Page 1 and Page 2). The memory map is shown in Table 6.
Table 6. Memory Map
Page 0: Auxiliary Data Registers Page 1: Auxiliary Control Registers Page 2: Audio Control Registers
ADDR REGISTER ADDR REGISTER ADDR REGISTER
00 Reserved 00 AUX ADC 00 Audio Control 1
01 Reserved 01 Status 01 Codec ADC Gain
02 Reserved 02 Reserved 02 Codec DAC Gain
03 Reserved 03 Reference 03 Codec Sidetone
04 Reserved 04 Reset 04 Audio Control 2
05 BAT1 05 Reserved 05 Codec Power Control
06 BAT2 06 Reserved 06 Audio Control 3
07 AUX 07 Reserved 07 Digital Audio Effects Filter Coefficients
08 Reserved 08 Reserved 08 Digital Audio Effects Filter Coefficients
09 TEMP1 09 Reserved 09 Digital Audio Effects Filter Coefficients
0A TEMP2 0A Reserved 0A Digital Audio Effects Filter Coefficients
0B Reserved 0B Reserved 0B Digital Audio Effects Filter Coefficients
0C Reserved 0C Reserved 0C Digital Audio Effects Filter Coefficients
0D Reserved 0D Reserved 0D Digital Audio Effects Filter Coefficients
0E Reserved 0E Reserved 0E Digital Audio Effects Filter Coefficients
0F Reserved 0F Reserved 0F Digital Audio Effects Filter Coefficients
10 Reserved 10 Reserved 10 Digital Audio Effects Filter Coefficients
11 Reserved 11 Reserved 11 Digital Audio Effects Filter Coefficients
12 Reserved 12 Reserved 12 Digital Audio Effects Filter Coefficients
13 Reserved 13 Reserved 13 Digital Audio Effects Filter Coefficients
14 Reserved 14 Reserved 14 Digital Audio Effects Filter Coefficients
15 Reserved 15 Reserved 15 Digital Audio Effects Filter Coefficients
16 Reserved 16 Reserved 16 Digital Audio Effects Filter Coefficients
17 Reserved 17 Reserved 17 Digital Audio Effects Filter Coefficients
18 Reserved 18 Reserved 18 Digital Audio Effects Filter Coefficients
19 Reserved 19 Reserved 19 Digital Audio Effects Filter Coefficients
1A Reserved 1A Reserved 1A Digital Audio Effects Filter Coefficients
1B Reserved 1B Reserved 1B PLL Programmability
1C Reserved 1C Reserved 1C PLL Programmability
1D Reserved 1D Reserved 1D Audio Control 4
1E Reserved 1E Reserved 1E Audio Control 5
1F Reserved 1F Reserved 1F Reserved