CS4812 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS4812

Fixed Function Multi-Effects Audio Processor

Cirrus Logic 

VD VD

2.2 K

2.2 K

I2C

EEPROM

A0

A1

CS4812

63 SCL/CCLK

62 SDA/CDOUT

68 AD0/CS

67 AD1/CDIN

A2

D

D 71

REQ

VD

69 SPI/I2C

70 SCPM/S

Reset

Circuit

72 RST

73 PLLEN

RESET

Figure 6. Typical Connection Diagram, Control Port

I2C Master Mode

CS4812

SPI

EEPROM

Reset

Circuit

RESET

63

62

68

67

71

VD

CS4812

SCL/CCLK

SDA/CDOUT

AD0/CS

AD1/CDIN

REQ

69 SPI/I2C

70 SCPM/S

D

72 RST

73 PLLEN

Figure 7. Typical Connection Diagram, Control Port

SPI Master Mode

DS291PP3

15

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