70
PCM11 Min Unit U2
Terin Function
Boc Dir
EROA
V
OUT
L
V
OUT
R
V
COM
AND
V
CC
NC
TEST
16
1
14
13
12
11
10
9
FMT
DEMP0
DEMP1
MUTE
SC
DATA
BC
LRC
1
2
3
4
6
7
8
TERMINAL
IO DESCRIPTION
NAME NO.
AND 12 round
BC 7 I Audio data bit clock input
(1)
DATA 6 I Audio data digital input
(1)
DEMP0 2 I De-emphasis control
(1)(2)
DEMP1 3 I De-emphasis control
(1)(2)
FMT 1 I Data format select
(1)(2)
LRC 8 I Audio data left and right clock input
(1)
MUTE 4 I Soft mute control
(1)(2)
NC 10 No connection
SC I System clock input
(1)
TEST 9 Test pin for factory use. Must be LOW or open
(1)(2)
V
CC
11 Power supply, -V
V
COM
13 Common voltage decoupling
V
OUT
L 1 O Analog output for L-channel
V
OUT
R 14 O Analog output for R-channel
EROA 16 O ero flag output for L- and R-channels
(1) Schmitt-trigger input
(2) Pulldown
Poer Supp
Enhnced
Mutiee
DetSi
Modutor
V
OUT
L
4
Oerspin
Diit
Fiter
With
Function
Contro
Audio
Seri
Port
BC
LRC
DATA
Seri
Contro
Port
ero Detect
TEST
SC
Sste
Coc
Mner
MC DEMP1
MS DEMP
Output Ap
nd
LoPss Fiter
MD MUTE
DAC
V
COM
Sste Coc
AGND
V
CC
EROREROA
1
EROA
EROLNA
1
Output Ap
nd
LoPss Fiter
DAC
V
OUT
R
FMT
(1) Open-drain output for the PCM1782
NOTE: Signal names in parentheses ( ) are for the PCM1781.