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ES4428 Folha de dados(PDF) 6 Page - List of Unclassifed Manufacturers

Nome de Peças ES4428
Descrição Electrónicos  Web/DVD Set-Top Box Solution
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Fabricante Electrônico  ETC [List of Unclassifed Manufacturers]
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SAM0358-052201
ESS Technology, Inc.
ES4428/ES4427 PRODUCT BRIEF
Name
Number
I/O
Definition
AUX8
18
I/O
General purpose I/O.
TWS
19
I
Transmit audio frame sync.
SPLL_OUT
O
SPLL_OUT is the select PLL output.
AUX9
20
I/O
General purpose I/O.
TSD
21
I
Transmit audio data input.
TBCK
22
I
Transmit audio bit clock.
RWS
23
O
Receive audio frame sync.
SEL_PLL1
I
System and DSCK output clock frequency selection at reset time. The matrix
below lists the available clock frequencies and their respective PLL bit settings..
RSTOUT#
24
O
Reset output.
RSD
33
O
Receive audio data input.
SEL_PLL0
I
Refer to the description and matrix for SEL_PLL1 pin 23.
AUX10
34
I/O
General purpose I/O.
AUX11
35
I/O
Interrupt output to ES4428.
AUX12
36
I/O
CD loader C2PO.
RBCK
37
O
Receive audio bit output clock.
SER_IN
I
SER_IN is the serial input DSC mode. 1 = Serial DSC mode. 0 = Parallel DSC
mode.
AUX13
38
I/O
General purpose I/O.
AUX14
39
I/O
Interrupt input from Modem DSP.
AUX15
40
I/O
IR interrupt Input.
VSSAA
41,51
I
Audio analog ground.
VCM
42
I
ADC Common Mode Reference (CMR) buffer output. CMR is approximately 2.25
V. Bypass to analog ground with 47
µF electrolytic in parallel with 0.1 µF.
VREFP
43
I
DAC and ADC maximum reference. Bypass to VCMR with 10
µF in parallel with 0.1
µF.
VCCAA
44
I
5.0V analog audio power supply.
AOR+,
AOR-
45, 46
O
Right channel output.
AOL-, AOL+
47, 48
O
Left channel output.
MIC2
49
I
Microphone input 2.
MIC1
50
I
Microphone input 1.
VREF
52
I
Internal resistor divider generates Common Mode Reference (CMR) voltage.
Bypass to analog ground with 0.1
µF.
VREFM
53
I
DAC and ADC minimum reference. Bypass to VCMR with 10
µF in parallel
with 0.1
µF.
RSET
54
I
Full scale DAC current adjustment.
COMP
55
I
Compensation pin.
VSSAV
56:57, 62:63
I
Video analog ground
CDAC
58
O
Modulated chrominance output.
VCCAV
59, 60
I
Video VCC, 5 V
Table 2
ES4427 Pin Descriptions (Continued)
SEL_PLL1
SEL_PLL0
DCLK
0
0
Bypass PLL (input mode)
0
1
27 MHz (output mode) Default
1
0
32.4 MHz (output mode)
1
1
40.5 MHz (output mode)


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