CXD2951GA-2 Просмотр технического описания (PDF) - Sony Semiconductor

Номер в каталоге

Компоненты Описание

производитель

CXD2951GA-2

Single Chip GPS LSI

Sony Semiconductor 

System Block Diagram

CXD2951GA-2

1575.42MHz

LNA

TCXO

CPU

Freq.

Synthesizer

RF/IF

1575.42MHz → 1.023MHz

BPF

SAW

TCXO

Reference clock

18.414MHz

(GPS, Sony standard)

Down

Converter

LPF

1 bit

LNA

1.023MHz

Acquisition Block

• Acquire GPS signals

Tracking Block

• Locking to GPS signals

• 12ch correlations

Costas Loop & DLL

Computation

& Control

• Control Acquisition

& Tracking block

• Position calculating

ARM7TDMI

RTC

Timer

3ch

RAM

72KB

ROM

288KB

I/O

UART

A/D

X'tal

32.768kHz

–3–

Share Link: