STR750Fxx STR751Fxx STR752Fxx STR755Fxx ARM7TDMI-S 32-bit MCU with Flash, SMI, 3 std 16-bit timers, PWM timer, fast 10-bit ADC, I2C, UART, SSP, USB and CAN Features Core ARM7TDMI-S 32-bit RISC CPU 54 DMIPS 60 MHz LQFP64 10x10 mm LQFP100 14 x 14 mm Memories Up to 256 KB Flash program memory (10k W/E cycles, retention 20 yrs 85C) 16 KB Read-While-Write Flash for data LFBGA64 LFBGA100 (100k W/E cycles, retention 20 yrs 85C) 8 x 8 x 1.7 mm 10 x 10 x 1.7 mm Flash Data Readout and Write Protection 16KBytes embedded high speed SRAM 16-bit 6-ch. synchronizable PWM timer Memory mapped interface (SMI) to ext. Dead time generation, edge/center-aligned Serial Flash (64 MB) w. boot capability waveforms and emergency stop Clock, reset and supply management Ideal for induction/brushless DC motors Single supply 3.3V 10% or 5V 10% 8 Communications interfaces 2 Embedded 1.8V Voltage Regulators 1 I C interface Int. RC for fast start-up and backup clock 3 HiSpeed UARTs w. Modem/LIN capability Up to 60 MHz operation using internal PLL 2 SSP interfaces (SPI or SSI) up to 16 Mb/s with 4 or 8 MHz crystal/ceramic osc. 1 CAN interface (2.0B Active) Smart Low Power Modes: SLOW, WFI, 1 USB full-speed 12 Mb/s interface with 8 STOP and STANDBY with backup registers configurable endpoint sizes Real-time Clock, driven by low power 10-bit A/D converter internal RC or 32.768 kHz dedicated osc, 16/11 chan. with prog. Scan Mode & FIFO for clock-calendar and Auto Wake-up Programmable Analog Watchdog feature Nested interrupt controller Conversion time: min. 3.75 s Fast interrupt handling with 32 vectors Start conversion can be triggered by timers 16 IRQ priorities, 2 maskable FIQ sources Up to 72/38 I/O ports 16 external interrupt / wake-up lines 72/38 GPIOs with High Sink capabilities DMA Atomic bit SET and RES operations 4-channel DMA controller Circular buffer management Table 1. Device summary Support for UART, SSP, Timers, ADC Reference Part number 6 Timers STR750Fxx STR750FV0, STR750FV1, STR750FV2 16-bit watchdog timer (WDG) STR751Fxx STR751FR0, STR751FR1, STR751FR2 16-bit timer for system timebase functions STR752Fxx STR752FR0, STR752FR1, STR752FR2 3 synchronizable timers each with up to 2 STR755FR0, STR755FR1, STR755FR2 input captures and 2 output STR755Fxx STR755FV0, STR755FV1, STR755FV2 compare/PWMs. February 2009 Rev 5 1/84 www.st.com 1Contents STR750Fxx STR751Fxx STR752Fxx STR755Fxx Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.1 Pin description table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.2 External components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 5 Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6 Electrical parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.1 Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.1.1 Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.1.2 Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.1.3 Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.1.4 Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6.1.5 Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6.1.6 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 6.1.7 I/O characteristics versus the various power schemes (3.3V or 5.0V) . 29 6.1.8 Current consumption measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.2.1 Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.2.2 Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6.2.3 Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6.3 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.3.1 General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.3.2 Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 35 6.3.3 Embedded voltage regulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 6.3.4 Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 6.3.5 Clock and timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 2/84