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CXD2931R Просмотр технического описания (PDF) - Sony Semiconductor

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производитель
CXD2931R
Sony
Sony Semiconductor Sony
CXD2931R Datasheet PDF : 23 Pages
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1 chip GPS LSI
CXD2931R
Description
The CXD2931R is a dedicated LSI for the GPS
(Global Positioning System) satellite-based position
measurement system.
This LSI contains a 32-bit RISC CPU, 2M-bit MASK
ROM, RAM, UART, timer, and others.
This LSI, used together with the RF LSI (CXA1951AQ),
enables the configuration of a 2-chip system capable of
measuring its position anywhere on the globe.
Features
16-channel GPS receiver capable of simultaneously
receiving 16 satellites
Supports differential GPS
— Comforms to RTCM SC-104 Ver. 2.1
— Supports DARC
All-in-view measurement
2-satellite measurement
Timer supporting GPS time
High performance 32-bit RISC CPU
256K-byte program ROM
36K-byte RAM
3-channel UART
— Baud rate generator
— Supports 1.2K, 2.4K, 4.8K, 9.6K, 19.2K and
38.4K baud
— Supports 1/2/4-byte buffer mode
23-bit general-purpose I/O port capable of defining
input/output independently for each bit
144 pin LQFP (Plastic)
Absolute Maximum Ratings
Supply voltage
VDD VSS – 0.5 to 4.6 V
Input voltage
VI VSS – 0.5 to VDD + 0.5 V
Output voltage
VO VSS – 0.5 to VDD + 0.5 V
Operating temperature Topr –40 to +85 °C
Storage temperature Tstg –50 to +150 °C
Recommended Operating Conditions
Supply voltage
VDD
3.0 to 3.6
V
Operating temperature Topr –40 to +85 °C
Input/Output Pin Capacitance
Input capacitance CIN
9 (Max.)
pF
Output capacitance COUT 11 (Max.) pF
I/O capacitance
CI/O
11 (Max.) pF
Structure
Silicon gate CMOS IC
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–
E99702-PS

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