CE2746 查看數據表（PDF） - Unspecified
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CE2746 Datasheet PDF : 18 Pages
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PIN ASSIGNMENT
CE2746
DVDD
1
XCK
2
BCK
3
LRCK
4
DIN1
5
DIN2
6
DIN3
7
TST
8
RSTZ
9
N/C
10
DGND
11
TSTOUT
12
SDA
13
SCL
14
28
AVDD
27
AR1
26
GR1
25
AL1
24
AGND
23
AR2
22
GR2
21
AL2
20
AGND
19
AR3
18
GR3
17
AL3
16
VCM
15
AVDD
PIN DESCRIPTION
Pin Name
DIGITAL
DVDD
XCK
BCK
LRCk
DIN1
DIN2
DIN3
TST
RSTZ
N/C
Pin # Type
Description
1
+3.3V Digital power supply, 3.3 Volt.
2
I External Master Clock Input.
3
I Audio Serial Data Clock Input.
4
I Left/Right Channel Clock pin. For Left justified or Right justified mode, a high in SF
indicates Left Channel Data, a low in SF indicates Right Channel Data. For I2S mode, a
low in SF indicates Left Channel Data, a high in SF indicates Right Channel Data.
5
I Channel 1 Serial Audio Data Input.
6
I Channel 2 Serial Audio Data Input.
7
I Channel 3 Serial Audio Data Input.
8
I Test pin. This pin should be connected to ground.
9
I/O Active Low Reset Pin. Open drain output with a 5 Kohms pull-up resistor. Should leave
open if not connected to system reset.
10
Not used. can connected to ground.
4-18
March 24, 2004
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