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CX20470 Datasheet(PDF) 11 Page - Skyworks Solutions Inc.

No. de pieza CX20470
Descripción Electrónicos  CDMA Baseband Analog Processor
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Fabricante Electrónico  SKYWORKS [Skyworks Solutions Inc.]
Página de inicio  http://www.skyworksinc.com
Logo SKYWORKS - Skyworks Solutions Inc.

CX20470 Datasheet(HTML) 11 Page - Skyworks Solutions Inc.

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CDMA BAP
CX20470
101106A
Skyworks – Preliminary
11
August 24, 2000
Proprietary Information and Specifications are Subject to Change
Table 2. CX20470 BAP Signal Description: 56-Pin LGA Package (1 of 2)
Pin #
Name
I/O Type
Description
1
QOFFSET
A,I,Z
Q ADC input offset adjust signal input.
2
RXQ/
A,I,Z
Baseband receive quadrature analog differential input.
3
RXQ
A,I,Z
Baseband receive quadrature analog differential input.
4
RXI/
A,I,Z
Baseband receive analog differential input.
5
RXI
A,I,Z
Baseband receive analog differential input.
6
ADC_IN1
A,I,Z
Monitor A/D analog independent input for voltage sense input.
7
ADC_IN0
A,I,Z
Monitor A/D analog independent input for voltage sense input.
8
AVSSSY1
PG
Analog ground VSS input.
9
TXPDOUT
A,O
Transmit synthesizer (TX PLL) phase detector charge pump output.
10
AVDDSY1
P,G
Analog VDD input.
11
TXPLLIN/
A,I,Z
Transmit synthesizer divider differential input (–) from the external VCO buffer.
12
TXPLLIN
A,I,Z
Transmit synthesizer divider differential input (+) from the external VCO buffer.
13
SYNENA
D,I,Z
Synthesizer three-wire serial interface enable.
14
LOCK
A,O,L
Lock detect indicator for the receive and transmit VHF synthesizers.
15
SYNDATA
D,I,Z
Synthesizer three-wire serial interface data input.
16
SYNCLK
D,I,Z
Synthesizer three-wire serial interface clock input.
17
IDLE/
D,I,Z
CDMA idle or FM idle modes are enabled when this input is low and SLEEP/ is high.
18
SLEEP/
D,I,Z
CDMA sleep mode is enabled when this input pin is low and FM/ is high.
19
AVSS_TX
PG
Analog ground input.
20
AVDD_TX
PG
Analog VDD input.
21
PDBTCXO
D,I,Z
When this signal is activated, the BAP will power-down its TCXO buffer input clock.
22
TXQ/
A,O,Z
Baseband transmit quadrature analog differential output (–).
23
TXQ
A,O,Z
Baseband transmit quadrature analog differential output (+).
24
TXI/
A,O,Z
Baseband transmit in-phase analog differential output.
25
TXI
A,O,Z
Baseband transmit in-phase analog differential output.
26
TCXO
A,I,Z
TCXO 19.2/19.68/19.8 MHz clock input.
27
TCXO/4
D,O,L
This signal, typically 4.92 MHz, is digitally synthesized from the TCXO input clock.
28
TXD0
D,I,Z
Transmit digital 8-bit data from MSM (bit 0).
29
TXD1
D,I,Z
Transmit digital 8-bit data from MSM (bit 1).
30
TXD2
D,I,Z
Transmit digital 8-bit data from MSM (bit 2).
31
TXD3 or TXQIN/
D,I or AI
Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 3) for
digital TX data input or TX Q channel analog differential input (–) for MSM3100 interface
mode.
32
TXD4 or TXQIN
D,I or A,I
Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 4) for
digital TX data input or TX Q channel analog differential input (+) for MSM3100 interface
mode.
33
TXD5 or TXIIN/
D,I or A,I
Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 5) for
digital TX data input, or TX I channel analog differential input (–) for MSM3100 interface
mode.
34
TXD6 or TXIIN
D,I or A,I
Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 6) for
digital TX data input, or TX I channel analog differential input (+) for MSM3100 interface
mode.
35
TXD7 or IREF
D,O or A,O
Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 7) for
digital transmit data input mode, or IREF current output for MSM3100 interface mode


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