參數(shù)資料
型號： CXD2951GA-4
廠商： Sony Corporation
英文描述： Single Chip GPS LSI
中文描述： 單芯片LSI的全球定位系統(tǒng)
文件頁數(shù)： 1/26頁
文件大小： 283K
代理商： CXD2951GA-4
– 1 –
CXD2951GA-4
176 pin LFLGA (Plastic)
Single Chip GPS LSI
Description
The CXD2951GA-4 is a dedicated single chip LSI
for the GPS (Global Positioning System), satellite-
based location measurement system. This LSI
enables the configuration of a single chip system
providing a cost-effective, low-power solution.
Compared with conventional methods, position
detection time and sensitivity are substantially
improved with the use of an advanced signal
processing scheme. With the integration of both the
Radio and baseband blocks into a single CMOS IC,
the CXD2951GA-4 is ideal for use in automotive,
cellular handset, handheld navigation, mobile
computing and other location-based applications.
Features
WAAS support
12-channel GPS receiver capable of simultaneously
receiving 12 satellites
Reception frequency: 1575.42MHz
(L1 band, CA code)
Reference clock (TCXO) frequency:
18.414MHz (GPS, Sony standard),
The unique frequency of major applications is available,
such as GSM and W-CDMA. (optional)
13.000MHz (GSM),
14.400MHz (CDMA),
16.368MHz (GPS),
19.800MHz (PDC/CDMA),
26.000MHz (GSM)
32 bits RISC CPU (ARM7TDMI)
288K-bytes Program ROM
72K-bytes Data RAM
Power is supplied only to 8K-byte Data RAM while
in backup mode.
System power management
1-channel UART
Internal RTC (Real Time Clock)
10-bit successive approximation system A/D
converter
All-in-view positioning
Communication format: Supports NMEA-0183 (Ver
3.01)
1 PPS output
Radio
Image Rejection Mixer
VCO Tank
IF Filters
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings
Supply voltage I/O
Supply voltage core
Supply voltage radio
Input voltage
Output voltage
Operating temperature Topr
Storage temperature
IOV
DD
CV
DD
V
DD
V
I
V
O
–0.5 to +4.6
–0.5 to +2.5
–0.5 to +2.5
–0.5 to +6
–0.5 to +6
–40 to +85
–50 to +150
V
V
V
V
V
°C
°C
Tstg
Recommended Operating Conditions
Supply voltage I/O
Under operation with internal ROM, using no
external expansion bus:
IOV
DD
3.0 to 3.6
V
IOV
DD
2.6 to 3.6
V
Under operation in backup mode:
BKUPIOV
DD
CV
DD
V
DD
2.5 (Min.) V
1.62 to 1.98
1.62 to 1.98
–40 to +85
Supply voltage core
Supply voltage radio
Operating temperature Topr
V
V
°C
Input/Output Pin Capacitance (Baseband)
Input capacitance
Output capacitance
I/O capacitance
C
IN
C
OUT
C
I/O
9 (Max.)
11 (Max.)
11 (Max.)
pF
pF
pF
E04Z13
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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