Texas Instruments TAS3002 Analog Control Register 40h, 1. Analog Control Register Description

4.8 Analog Control Register (40h)

The analog control register (ACR) allows control of de-emphasis, selection of the analog input channel to the ADC, and analog power down.

An I2C master is required to write the appropriate command into the ACR. The ACR subaddress is 40h.

Bit	7	6	5	4	3	2	1	0
Type	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Default	0	0	0	0	0	0	0	0

			Table 4−1. Analog Control Register Description
BIT	FIELD NAME	TYPE			DESCRIPTION
7	Reserved	R/W		Reset to 0
6	Reserved	R/W		Reset to 0
5−4	Reserved	R/W		Reserved. Bits 5 and 4 return 0s when read.
3−2	DM(1−0)	R/W		De-emphasis control
				00 = De-emphasis off (initial condition after reset)
				01 = 48 kHz sample rate de-emphasis selected
				10 = 44.1 kHz sample rate de-emphasis selected
				11 = Reserved
1	INP	R/W		Analog input select
				0	= LINA and RINA selected (initial condition after reset)
				1	= LINB and RINB selected
0	APD	R/W		Analog power down
				0	= Normal operation (initial condition after reset)
				1	= Power down

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