Atmel AT85DVK-07 Spezifikationen PDF herunterladen (Seite 158)

158

AT85C51SND3Bx

7632A–MP3–03/06

Figure 77. Audio Output Format

Registers

DSEL

DCLK

DDAT

MSB

I2S Format with DSIZE = 0 and JUST4:0 = 00001.

LSB B14 MSBLSB B14B1 B1

DSEL

DCLK

DDAT

MSB

I2S Format with DSIZE = 1 and JUST4:0 = 00001.

LSBB14 MSBLSB B14

1 2 3 13141516

Left Channel Right Channel

123 1718 32

DSEL

DCLK

DDAT

B14

MSB/LSB Justified Format with DSIZE = 0 and JUST4:0 = 00000.

MSB B1 B15MSB B1LSB LSB

1 2 3 13141516

Left Channel Right Channel

DSEL

DCLK

DDAT

16-bit LSB Justified Format with DSIZE = 1 and JUST4:0 = 10000.

11618 32

Left Channel Right Channel

17 31

MSB B14 LSBB1 MSB B14 LSBB1

1161817 31

DSEL

DCLK

DDAT

18-bit LSB Justified Format with DSIZE = 1 and JUST4:0 = 01110.

115 3032

Left Channel Right Channel

16 31

MSB B16

B1 LSB

MSB B16

B2 B1 LSB

15 30 3216 31

Table 165. AUCON Register

AUCON (1.F1h) – Audio Controller Control Register

7 6 5 4 3 2 1 0

BPEN VSURND BBOOST MIXEN EQUDIS - - ACCKEN

Bit

Number

Bit

Mnemonic

Description

7 BPEN

Baseband Processor Enable Bit

Set to enable the baseband processing.

Clear to bypass the baseband processing and disable the baseband features.

6 VSURND

Virtual Surround Enable Bit

Set to enable the virtual surround effect.

Clear to disable the virtual surround effect.

5 BBOOST

Bass Boost Enable Bit

Set to enable the bass boost effect.

Clear to disable the bass boost effect.

4 MIXEN

Mixing Enable Bit

Set to enable mixing of ADC output with DAC output.

Clear to disable mixing of ADC output with DAC output.

3 EQUDIS

Equalizer Disable Bit

Set to disable the 3-band equalizer.

Clear to enable the 3-band equalizer.

1 2 ... 153 154 155 156 157 158 159 160 161 162 163 ... 262 263

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