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Terminal Function
TERMINAL
NAME
PIN
LRCK
1
BCK
2
DIN
3
RST
4
SCKI
5
VDD
6
DGND
7
VCC1
8
VCOM
9
AGND1
10
VOUTL–
11
VOUTL+
12
VOUTR+
13
VOUTR–
14
AGND2
15
VCC2
16
AMUTEI
17
ZERO2/AMUTEO
18
ZERO1
19
MODE
20
MD/SDA/DEMP
21
MC/SCL/FMT
22
MS/ADR0/RSV
23
ADR5/ADR1/RSV
24
(1) Open-drain configuration in out mode.
6
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AGND1
10
VOUTL
11
-
VOUTL+
12
TERMINAL FUNCTIONS
PULL-
5-V
I/O
DOWN
TOLERANT
I
Yes
No
I
Yes
No
I
No
No
I
Yes
Yes
I
No
Yes
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
O
No
No
O
No
No
O
No
No
O
No
No
—
—
—
—
—
—
I
No
Yes
O
No
No
O
No
No
I
No
No
I/O
No
Yes
I
No
Yes
I
Yes
Yes
I
No
Yes
Product Folder Link(s):
AGND2
15
VOUTR
14
-
13
VOUTR+
DESCRIPTION
Audio data word clock input
Audio data bit clock input
Audio data input
Reset and power-down control input with active low
System clock input
Digital power supply, +3.3 V
Digital ground
Analog power supply 1, +5 V
Voltage common decoupling
Analog ground 1
Negative analog output from DAC left channel
Positive analog output from DAC left channel
Positive analog output from DAC right channel
Negative analog output from DAC right channel
Analog ground 2
Analog power supply 2, +5 V
Analog mute control input with active low
Zero detect flag output 2/Analog mute control output
Zero detect flag output 1
Control port mode selection. Tied to VDD: SPI, ADR6 = 1, pull-up: SPI,
ADR6 = 0, pull-down: H/W auto mode, tied to DGND: I
2
Input data for SPI, data for I
C
control mode
2
Clock for SPI, clock for I
C, format select for hardware control mode
Chip Select for SPI, address select 0 for I
hardware control mode
Address select 5 for SPI, address select 1 for I
hardware control mode
Copyright © 2008, Texas Instruments Incorporated
PCM1789
90
(1)
with active low
2
C
(1)
, de-emphasis control for hardware
2
C, reserve (set low) for
2
C, reserve (set low) for
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