CS48L32 datasheet(44/192 Pages) CIRRUS

44 / 192 page

Cirrus Logic

DS1219F4

CS48L32

4.3 Digital Core

Figure 4-15. Digital Core

4.3.1

Digital-Core Mixers

The CS48L32 provides an extensive digital mixing capability. The digital-core mixing and signal-processing blocks are

shown in Fig. 4-15. A four-input digital mixer is associated with many of these functions, as shown. The digital mixer circuit

is identical in each instance, providing up to four selectable input sources, with independent volume control on each input.

The control registers associated with the digital-core signal paths are shown in Fig. 4-16–Fig. 4-27. The full list of digital

mixer control registers (0x8080–0x907C) is provided in Section 6.

Further description of the associated control registers is provided throughout Section 4.3. Generic register field definitions

are provided in Table 4-10.

The digital mixer input sources are selected using the associated x_SRCn fields; the volume control is implemented via

the associated x_VOLn fields.

The ISRC input functions support selectable input sources, but do not incorporate any digital mixing. The respective input

source (x_SRCn) fields are identical to those of the digital mixers.

(GPIO pin)

PWM

PWM1

PWM2

Tone Generator 1

Tone Generator

Tone Generator 2

Noise Generator

White Noise

Generator

Ultrasonic 1 path

Ultrasonic 2 path

IN1L signal path

IN1R signal path

IN2L signal path

IN2R signal path

EQn

EQ1

EQ2

EQ3

EQ4

LHPFn

LHPF

LHPF1

LHPF2

LHPF3

LHPF4

DRCn

Left

DRCn

Right

DRC

DRC1

DRC2

ISRC1 INT1

ISRC1 INT2

ISRC1 DEC1

ISRC1 DEC2

ISRC1 INT3

ISRC1 INT4

ISRC1 DEC3

ISRC1 DEC4

Isochronous

Sample Rate

Converter (ISRC)

ISRC1

ISRCn DEC1

ISRCn DEC2

ISRC3

Isochronous

Sample Rate

Converter (ISRC)

ISRC2

ISRCn INT2

ISRCn INT1

DSP1 Ch 1

DSP1 Ch 2

DSP1 Ch 3

DSP1 Ch 4

DSP1 Ch 5

DSP1 Ch 6

DSP1

DSP1 Ch 7

DSP1 Ch 8

DSP Core

ASPn TX1 output

ASPn TX2 output

ASPn RX1

ASP1 = 8 input, 8 output

ASP2 = 4 input, 4 output

ASP2

ASP1

etc.

ASPn RX2

etc.

CS48L32 Datasheet(PDF) 44 Page - Cirrus Logic

CS48L32 Datasheet(HTML) 44 Page - Cirrus Logic

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL