CS7666 datasheet(27/42 Pages) CIRRUS

27 / 42 page

CS7666

DS302PP1

CbB Coefficient Register (18h)

Color separation and color space conversion coefficient.

Slave Data Hold Register (19h)

When an external I2C controller initiates a register read from a slave device on the secondary I2C bus through

CS7666, the returned data is placed in this register. The external controller may then read the data from the Slave

Data Hold register. This register is read only.

EPROM Count Low Byte Register (1Ah)

Lower byte of the number of triple-bytes to be read from EPROM upon reset of CS7666. This register is read only.

EPROM Count High Byte Register (1Bh)

Upper byte of the number of triple-bytes to be read from EPROM upon reset of CS7666. This register is read only.

Version (Major) Register (1Ch)

The major version register (device ID) in the CS7666 is assigned the value FEh. This register is read only.

Version (Minor) Register (1Dh)

The minor version register in CS7666 rev A. is assigned the value 00h. With each minor revision the value is in-

creased by 1. This register is read only.

Low Power Register (20h)

Setting bit PD to “1” will place the CS7666 in low power mode.

Test Enable Register (21h)

This register is reserved.

Reserved Register (22h)

This register is reserved and returns a valud of 00 when read.

Test_AA1 (23h)

This register is reserved and must be set to FFh for normal operation.

Test_AA2 (24h)

This register is reserved and must be set to FFh for normal operation

76543210

CbB7

CbB6

CbB5

CbB4

CbB3

CbB2

CbB1

CbB0

R/W

res

Reserved

R/W

CS7666 bảng dữ liệu(PDF) 27 Page - Cirrus Logic