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STA2051E Datasheet

  • STA2051E

  • 32-BIT SINGLE CHIP BASEBAND CONTROLLER FOR GPS AND TELEMATIC...

  • 5頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STA2051
VESPUCCI
32-BIT SINGLE CHIP BASEBAND CONTROLLER
FOR GPS AND TELEMATIC APPLICATIONS
DATA BRIEF
1
鈻?/div>
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FEATURES
ARM7TDMI 16/32 bit RISC CPU based host
microcontroller.
Complete Embedded Memory System:
鈥?FLASH 256K bytes + 16K bytes (100K eras-
ing/programming cycles)
鈥?RAM 64K bytes.
External memory interface provides glueless
support for up to four banks of external SRAM,
FLASH, ROM.
12 channel GPS correlation DSP: 鈥?no TCXO
required
鈥?RTCA-SC159 / WAAS / EGNOS support
GPS performance
鈥?accuracy: stand alone <30m; differential
<1m; surveying <1cm
鈥?time to first fix: autonomous start 90s; cold
start 45s; warm start 7s; obscuration 1s.
CMOS M8T (0.18 um) technology.
-40擄C to 85擄C operating temperature range.
144-pin TQFP144 package or 64-pin TQFP64
package
Power Supply:
鈥?2.7V to 3.6V operating supply range for Input/
Output periphery
鈥?3 V to 3.6V operating supply range for A/ D
Converter reference
鈥?1.8V operating supply range for core supply
provided either by internal Voltage Regulator
with external stabilization capacitor, or by ex-
ternal supply for higher power efficiency.
0-66MHz internal clock frequency managed by
a Reset and Clock Control Unit; the unitisable to
provide low power modes (WAIT, SLOW,
STOP, STANDBY) and to generate the internal
clock from the external reference through
integrated PLL.
48 programmable General Purpose I/O, each
pin programmable independently as digital input
or digital output; 40 (30 in TQFP64) are
multiplexed with peripheral functions; 16 can
generate an interrupt on input level/transition.
Real time clock module with 3 2 KHz low power
oscillator and separate power supply to
continue running during stand-by mode.
Figure 1. Packages
TQFP64
TQFP144
Table 1. Order Codes
Part Number
STA2051
STA2051E
Package
TQFP64
TQFP144
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16-bit Watchdog Timer with 8 bits prescaler for
system reliability and integrity.
CAN module compliant with the CAN
specification V2.0 part B (active). The bit rate
can be programmed up to 1 MBaud.
Four16-bit programmable Timers with 7 bit
prescaler, up to two input capture/output
compare, one pulse counter function, one PWM
channel with selectable frequency each.
4 channels 12-bit sigma-delta Analog to Digital
Converter, single channel or multi channel
conversion modes, single-shotor continuous
conversion modes, sample rate1KHz (4 KHz
when single channel), conversion range 0-2.5V.
Three Serial Communication Interfaces (UART)
allow full duplex, asynchronous,
communications with external devices,
independently programmable TX and RX baud
rates up to 625K baud.
One UART adapted to suit Smart Card interface
needs, for asynchronous SC as defined by ISO
7816-3; it includes SC clock generation.
Two Serial Peripheral Interfaces (SPI) allow full
duplex, synchronous communications with
external devices, master or slave operation,
max baud rate: 8Mb/s. One SPI may be used as
Multimedia Card interface.
Two I
2
C Interfaces provide multi-master and
slave functions, support normal and fast I2C
mode (400KHz), 7/10 bit addressing modes.
One I
2
C Interface is multiplexed with one SPI,
so either 2xSPI+1xI
2
C or 1xSPI+2xI
2
C may be
Rev. 1
1/5
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September 2004
This is preliminary information on a new product now in development. Details are subject to change without notice.

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