Pin Assignments and Terminal Functions
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Table 1-1. PCM2912A Terminal Functions (continued)
TQFP-36
Name
Terminal
I/O
Description
V
CCR
21
-–
Analog power supply for headphone amplifier of R-channel
V
OUT
R
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
V
CCP
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
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Summary of Contents for DEM-PCM2912A EVM
Page 1: ...DEM PCM2912A EVM User s Guide Literature Number SBAU141 January 2009...
Page 2: ...2 SBAU141 January 2009 Submit Documentation Feedback...
Page 6: ...List of Tables 6 SBAU141 January 2009 Submit Documentation Feedback...
Page 14: ...Description 14 SBAU141 January 2009 Submit Documentation Feedback...
Page 32: ...Set Up Guide 32 SBAU141 January 2009 Submit Documentation Feedback...