CXD2951GA-4 Datasheet, PDF (1/26 Pages) Sony Corporation – Single Chip GPS LSI

Single Chip GPS LSI
CXD2951GA-4
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
176 pin LFLGA (Plastic)
Radio
• Image Rejection Mixer
• VCO Tank
• IF Filters
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings
• Supply voltage I/O IOVDD –0.5 to +4.6 V
• Supply voltage core CVDD –0.5 to +2.5 V
• Supply voltage radio VDD –0.5 to +2.5 V
• Input voltage
VI
–0.5 to +6 V
• Output voltage
VO
–0.5 to +6 V
• Operating temperature Topr –40 to +85 °C
• Storage temperature Tstg –50 to +150 °C
Recommended Operating Conditions
• Supply voltage I/O IOVDD 3.0 to 3.6
V
∗ _{Under operation with internal ROM, using no}
external expansion bus:
IOVDD 2.6 to 3.6
V
∗ _{Under operation in backup mode:}
BKUPIOVDD 2.5 (Min.) V
• Supply voltage core CVDD 1.62 to 1.98 V
• Supply voltage radio VDD 1.62 to 1.98 V
• Operating temperature Topr –40 to +85 °C
Input/Output Pin Capacitance (Baseband)
• Input capacitance
CIN
9 (Max.) pF
• Output capacitance COUT 11 (Max.) pF
• I/O capacitance
CI/O
11 (Max.) pF
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.
–1–
E04Z13