零件编号
STA2051ETR
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STA2051ETR 数据手册 ( 数据表 ) - STMicroelectronics
STMicroelectronics
Features
◾ Suitable for automotive applications
◾ ARM7TDMI 16/32 bit RISC CPU based host
microcontroller.
◾ Complete embedded memory system:
– Flash 256 KB + 16 KB (100K
erasing/programming cycles)
– RAM 64 KB
◾ External memory interface provides glueless
support for up to four banks of external SRAM,
Flash, ROM.
◾ 12 channel GPS correlation DSP:
– no TCXO required
– RTCA-SC159 / WAAS / EGNOS support
◾ GPS performance
– accuracy: stand alone <30m; differential
<1m; surveying <1cm
– time to first fix: autonomous start 90s; cold
start 45s; warm start 7s; obscuration 1s.
◾ CMOS M8T (0.18 µm) technology.
◾ -40°C to 85°C operating temperature range.
◾ Packaged in TQFP 64-pin or 144-pin
◾ Power supply:
– 2.7V to 3.6V operating supply range for
input/output periphery
– 3V to 3. V operating supply range for A/ D
Converter reference
– 1.8V operating supply range for core supply
provided either by internal voltage regulator
with external stabilization capacitor, or by
external 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.
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