S1M8662A 데이터 시트보기 (PDF) - Samsung
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S1M8662A Datasheet PDF : 22 Pages
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RX IF/BBA WITH GPS
S1M8662A (Preliminary)
PIN DESCRIPTION (Continued)
Pin No
24
25
26
27
28
29
30
31
32
Symbol
RXQD3
RXQD2
RXQD1
RXQD0
VDDM
RXQD3
RXQD2
RXQD1
RXQD0
I/O
Description
DO
Q Channel 4-bit A-D Converter's digital outputs, which are connected
to the modem data input pins. These data are synchronized at
CHIP×8's rising edge and output. Because they are valid at the falling
edge, the data are latched at the falling edge in the modem.
DI
Power source for a logic circuit ,related to the digital input /output,
connected to an external digital logic such as the modem.
DO
I Channel 4-bit A-D Converter's digital outputs, which are connected to
the modem data input pins. These data are synchronized at CHIP×8's
rising edge and output. Because they are valid at the falling edge, the
data are latched at the falling edge in the modem.
Table 1. S1M8660A and S1M8662A Function & Control Content Comparison
Function / Mode Control
Operation Modes
CDMA (Cellular CDMA, PCS)
AMPS (FM)
Global Positioning System (GPS)
IF AGC 90dB Range
CDMA (Cellular CDMA, PCS)
AMPS (FM)
Global Positioning System (GPS)
IF to Analog Baseband Quadrature Down-Conversion
CDMA (Cellular CDMA, PCS)
AMPS (FM)
Global Positioning System (GPS)
Low Pass Baseband I/Q Filtering with Mode Specific Performance
CDMA (Cellular CDMA, PCS)
AMPS (FM)
Global Positioning System (GPS)
4-bit I/Q Analog to Digital Converters, Parallel Outputs
CDMA (Cellular CDMA, PCS)
Global Positioning System (GPS)
8-bit I/Q Analog to Digital Converters, Serial Outputs
AMPS (FM)
Rx Slotting Operation for Saving Current Consumption
Clock Generation
TCXO/N Output
Configurable CHIPx8 as Input or Output
VCO for Generation the Rx IF LO
Analog Baseband Amplifiers with I/Q Offset Controls
S1M8660A S1M8662A
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∆ (N=1)
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∆ (Input)
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5
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