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MFG:MITEL D/C:03+
Part Number: GP4020
MFG: MITEL
D/C: 03+
Description: The GP4020 is a complete digital baseband processor for a Global Positioning System (GPS) receiver. It...
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GP4020
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DataSheet
General Description
GP4020 General Description
The GP4020 is a complete digital baseband processor for a Global Positioning System (GPS) receiver. It combines the 12-channel correlator function of the GP2021 with an advanced ARM7TDMI (Thumb) microprocessor to achieve a higher level of integration, reduced system cost, reduced power consumption and added functionality. The GP4020 complements the GP2015 and GP2010 C/A code RF downconverters available from Zarlink Semiconductor.
The correlator section contains 12 identical tracking module blocks, one for each channel. Each channel contains all the components necessary for acquiring and tracking the received signal, and also contains other functional blocks, which are used to produce part of the measurement data set. Individual channels may be deactivated for systems not requiring full 12-channel operation and thus allowing for reduced power consumption and processor loading.
The microprocessor section contains the Firefly MF1 microcontroller core, which includes an ARM7TDMI with a Thumb instruction de-compressor plus the Firefly BµILD module. Also included are a second UART, BµILD Serial I/O, General I/O and Watchdog functions.
GP4020 Maximum Ratings
Supply voltage (VDD) from ground (GND) -0·5V to +5·0V
Bias for 5V inputs +7·0V max.
Input voltage (any input pin) GND-0·5V to VDD+0·5V
Output voltage (any output pin) GND-0·5V to VDD+0·5V
Storage temperature -55°C to +150°C
Static discharge (HBM)* 2kV
Bias for 5V inputs +7·0V max.
Input voltage (any input pin) GND-0·5V to VDD+0·5V
Output voltage (any output pin) GND-0·5V to VDD+0·5V
Storage temperature -55°C to +150°C
Static discharge (HBM)* 2kV
GP4020 Features
Complete GPS correlator and Firefly MF1 microcontroller core
ARM 7TDMITM (Thumb®) Microprocessor, with JTAG ICEBreakerTM Debug Interface
Fully Configurable External Data Bus
12 Fully Independent Correlation Channels
Low Voltage Operation: 3`3V
Low Current PowerDown Mode
1PPS UTC Aligned Timing Output
Dual UART
3-wire BµILD Serial Input/Output (BSIO) Interface
8 General Purpose Input/Output (GPIO) Lines
Boot ROM, allowing Software Upload via UART
8K Bytes Internal SRAM
Compatible with GP2015 and GP2010 RF Front Ends
ARM 7TDMITM (Thumb®) Microprocessor, with JTAG ICEBreakerTM Debug Interface
Fully Configurable External Data Bus
12 Fully Independent Correlation Channels
Low Voltage Operation: 3`3V
Low Current PowerDown Mode
1PPS UTC Aligned Timing Output
Dual UART
3-wire BµILD Serial Input/Output (BSIO) Interface
8 General Purpose Input/Output (GPIO) Lines
Boot ROM, allowing Software Upload via UART
8K Bytes Internal SRAM
Compatible with GP2015 and GP2010 RF Front Ends
GP4020 Typical Application
GPS Navigation Systems
GPS Geodetic Receivers
Time Transfer Receivers
Automatic Vehicle Location (AVL)
E911 Emergency Positioning
GPS Geodetic Receivers
Time Transfer Receivers
Automatic Vehicle Location (AVL)
E911 Emergency Positioning
GP4020 Connection Diagram
GP4020
PDF/DataSheet Download
- Datasheet: GP4020
- File Size: 212221 KB
- Manufacturer: ZARLINK [Zarlink Semiconductor Inc]
- Click here to Download
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