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STR91XFAX32 Datasheet, PDF (1/99 Pages) STMicroelectronics – ARM966E-S™ 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA | |||
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STR91xFAx32
STR91xFAx42 STR91xFAx44
ARM966E-S⢠16/32-Bit Flash MCU with Ethernet, USB, CAN,
AC motor control, 4 timers, ADC, RTC, DMA
Features
â 16/32-bit 96 MHz ARM9E based MCU
â ARM966E-S RISC core: Harvard archi-
tecture, 5-stage pipeline, Tightly-Coupled
Memories (SRAM and Flash)
â STR91xFA implementation of core adds
high-speed burst Flash memory interface,
instruction prefetch queue, branch cache
â Up to 96 MIPS directly from Flash memory
â Single-cycle DSP instructions supported
â Binary compatible with ARM7 code
â Dual burst Flash memories, 32-bits wide
â 256 KB/512 KB Main Flash
â 32 KB Secondary Flash
â Sequential Burst operation up to 96 MHz
â 100 K min erase cycles, 20 yr min retention
â SRAM, 32-bits wide
â 64K or 96K bytes, optional battery backup
â 9 programmable DMA channels
â Clock, reset, and supply management
â Internal oscillator operating with external
4-25 MHz crystal
â Internal PLL up to 96 MHz
â Real-time clock provides calendar
functions, tamper, and wake-up functions
â Reset Supervisor monitors supply voltage,
watchdog, wake-up unit, external reset
â Brown-out monitor for early warning
interrupt
â Run, Idle, and Sleep Mode as low as 50 uA
â Operating temperature -40 to +85°C
â Vectored interrupt controller (VIC)
â 32 IRQ vectors, 30 interrupt pins
â Branch cache minimizes interrupt latency
â 8-channel, 10-bit A/D converter (ADC)
â 0 to 3.6V range, 0.7 usec conversion
â DMA capability
LQFP80 12 x12mm
LQFP128 14 x 14mm
LFBGA144 10 x 10 x 1.7
â 10 Communication interfaces
â 10/100 Ethernet MAC with DMA and MII
â USB Full-speed (12 Mbps) slave device
â CAN interface (2.0B Active)
â 3 16550-style UARTs with IrDA protocol
â 2 Fast I2Câ¢, 400 kHz
â 2 channels for SPIâ¢, SSIâ¢, or Microwireâ¢
â External Memory Interface (EMI)
â 8- or 16-bit data, up to 24-bit addressing
â Static Async modes for LQFP128
â Additional burst synchronous modes for
LFBGA144
â Up to 80 I/O pins (muxed with interfaces)
â 16-bit standard timers (TIM)
â 4 timers each with 2 input capture, 2 output
compare, PWM and pulse count modes
â 3-Phase induction motor controller (IMC)
â JTAG interface with boundary scan
â Embedded trace module (ARM ETM9)
Table 1. Device summary
Reference
Root part number
STR91xFAx32
STR910FAM32, STR910FAW32,
STR910FAZ32
STR91xFAx42
STR911FAM42, STR911FAW42,
STR912FAW42, STR912FAZ42
STR91xFAx44
STR911FAM44 STR911FAW44
STR912FAW44, STR912FAZ44
November 2007
Rev 2
1/99
www.st.com
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