st20-gp6 STMicroelectronics, st20-gp6 Datasheet

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st20-gp6

Manufacturer Part Number

st20-gp6

Description

Gps Processor

Manufacturer

STMicroelectronics

Datasheet

1.ST20-GP6.pdf (123 pages)

Current page: 1 of 123
Download datasheet (2Mb)

FEATURES

October 2004

Application specific features

GPS performance

Enhanced 32-bit VL-RISC CPU - C2 core

64 Kbytes on-chip SRAM

128 Kbytes on-chip ROM

Programmable memory interface

Programmable UART (ASC)

Parallel I/O

Vectored interrupt subsystem

Diagnostic control unit

Power management

Professional toolset support

Technology

100 pin PQFP package

JTAG Test Access Port

12 channel GPS correlation DSP hardware,

ST20 CPU (for control and position

calculations) and memory on one chip

no TCXO required

RTCA-SC159 / WAAS / EGNOS supported

accuracy

- stand alone with SA on <100m, SA off <30m

- differential <1m

- surveying <1cm

time to first fix

- autonomous start 90s

- cold start 45s

- warm start 7s

- obscuration 1s

16/33/50 MHz processor clock

25 MIPS at 33 MHz

fast integer/bit operations

4 separately configurable regions

8/16-bits wide

support for mixed memory

2 cycle external access

low power operation

power down modes

ANSI C compiler/link driver and libraries

Debugging/profiling and simulation tools

Static clocked 50 MHz design

3.3 V, sub micron technology

®

Figure 1. Package

Table 1. Order Codes

Figure 2. Block Diagram

APPLICATIONS

Global Positioning System (GPS) receivers

Car navigation systems

Fleet management systems

Time reference for telecom systems

ST20GP6X33S

Part Number

12 channel GPS

hardware DSP

clock/calendar

Programmable

128K optional

mask ROM

Real time

controller

interface

memory

SRAM

power

radio

GPS

Low

64K

GPS PROCESSOR

PQFP100

communications

2 UART (ASC)

input/output

access port

control unit

Diagnostic

controller

Interrupt

ST20-GP6

Parallel

Serial

ST20

CPU

Test

ST20-GP6

PQFP100

Package

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