Datasheet

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PCM1780 , PCM1781 , PCM1782
SLES132B – MARCH 2005 – REVISED AUGUST 2006
DEVICE INFORMATION (continued)
TERMINAL FUNCTIONS—PCM1780/PCM1782
TERMINAL
I/O DESCRIPTION
NAME NO.
AGND 12 – Ground
BCK 7 I Audio data bit clock input
(1)
DATA 6 I Audio data digital input
(1)
LRCK 8 I Audio data left and right clock input
(1)
MC 3 I Mode control clock input
(1) (2)
MD 4 I Mode control data input
(1) (2)
MS 2 I Mode control select input
(1) (2)
NC 9, 10 – No connection
SCK 5 I System clock input
(1)
V
CC
11 – Power supply, 5-V
V
COM
13 – Common voltage decoupling
V
OUT
L 15 O Analog output for L-channel
V
OUT
R 14 O Analog output for R-channel
ZEROL/NA 1 O Zero flag output for L-channel / No assign
(3)
ZEROR/ZEROA 16 O Zero flag output for R-channel / Zero flag output for L- and R-channels
(3)
(1) Schmitt-trigger input
(2) Pulldown
(3) Open-drain output (PCM1782)
TERMINAL FUNCTIONS—PCM1781
TERMINAL
I/O DESCRIPTION
NAME NO.
AGND 12 – Ground
BCK 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)
LRCK 8 I Audio data left and right clock input
(1)
MUTE 4 I Soft mute control
(1) (2)
NC 10 – No connection
SCK 5 I System clock input
(1)
TEST 9 – Test pin for factory use. Must be LOW or open
(1) (2)
V
CC
11 – Power supply, 5-V
V
COM
13 – Common voltage decoupling
V
OUT
L 15 O Analog output for L-channel
V
OUT
R 14 O Analog output for R-channel
ZEROA 16 O Zero flag output for L- and R-channels
(1) Schmitt-trigger input
(2) Pulldown
5
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