Texas Instruments DEM-PCM2912A EVM manual Name

Pin Assignments and Terminal Functionswww.ti.com

Table 1-1. PCM2912A Terminal Functions (continued)

	TQFP-36
Name	Terminal	I/O	Description
VCCR	21	-–	Analog power supply for headphone amplifier of R-channel
VOUTR	22	O	Headphone output for R-channel
MAMP	23	I	Microphone preamplifier gain control (LOW: Preamplifier off; HIGH: Preamplifier on = +20
			dB)
POWER	24	I	Power consumption declaration select pin (LOW: 100 mA; HIGH: 500 mA)
PGND	25	–	Analog ground for microphone bias, microphone amplifier, and PGA
VCCP	26	–	Analog power supply for PLL
TEST1	27	I	Test pin. Must be set to high.
TEST0	28	I	Test pin. Must be set to low.
SSPND	29	O	Suspend flag (LOW: Suspend; HIGH: Operational state)
MMUTE	30	I	Microphone mute control, active high (LOW: Mute off; HIGH: Mute on)
REC	31	O	Status output for record (LOW: Record; FLASH: Mute on record; HIGH: Stop)
PLAY	32	O	Status output for playback (LOW: Playback; FLASH: Mute on playback; HIGH: Stop)

12	Description	SBAU141–January 2009
		Submit Documentation Feedback