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解析 STR91XFA芯片特点

时间:2011-07-18 10:25:30

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STR91XFA芯片特点:
·External Memory Interface (EMI)
– 8- or 16-bit data
– Up to 24-bit addressing
– Static Async modes for LQFP128 packages
– Additional Burst Synchronous modes for LFBGA144 packages
·Up to 80 I/O pins (muxed with interfaces)
– 5 V tolerant, 16 have high sink current (8 mA)
– Bit-wise manipulation of pins within a port
·16-bit standard timers (TIM)
– 4 timers each with 2 input capture, 2 output compare, PWM and pulse count modes
·3-Phase induction motor controller (IMC)
– 3 pairs of PWM outputs, adjustable centers
– Emergency stop, dead-time gen, tach input
·JTAG interface with boundary scan
– ARM EmbeddedICE? RT for debugging
– In-System Programming (ISP) of Flash
·Embedded trace module (ARM ETM9)
– Hi-speed instruction tracing, 9-pin interface
·Dual burst Flash memories, 32-bits wide
– 256KB/512KB Main Flash, 32KB 2nd Flash
– Sequential Burst operation up to 96 MHz
– 100K min erase cycles, 20 yr min retention
·SRAM, 32-bits wide
– 64K or 96K bytes, optional battery backup
·9 programmable DMA channels
– One for Ethernet, 8 programmable channels

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