■ Core
– ARM7TDMI 32-bit RISC CPU
– 32 MIPS @ 36 MHz
■ Temperature range -40 to 105 °C
■ Memories
– Up to 256 Kbytes FLASH program memory
(10,000 cycles endurance, data retention
20 years at 55°C)
– 16 Kbytes RAM
■ Clock, reset and supply management
– 4.5 - 5.5V application supply and I/Os
– Embedded 1.8V regulator for core supply
– Embedded oscillator running from external
4-8MHz crystal or ceramic resonator
– Up to 36 MHz CPU freq. with internal PLL
– Internal RC oscillator 32kHz or 2MHz
software configurable for fast startup and
backup clock
– Realtime Clock for clock-calendar function
– Wakeup Timer driven by internal RC for
wakeup from STOP mode
– 5 power saving modes: SLOW, WFI,
LPWFI, STOP and HALT modes
■ Nested interrupt controller
– Fast interrupt handling with multiple vectors
– 64 maskable IRQs with 64 vectors and 16
priority levels
– 2 maskable FIQ sources
– 16 ext. interrupts, up to 32 wake-up lines
■ Up to 112 I/O ports
– 72/112 multifunctional bidirectional I/Os
■ DMA
– 4 DMA controllers with 4 channels each
■ Timers
– 16-bit watchdog timer (WDG)
– 6/10 16-bit timers (TIM) each with: 2 input
captures, 2 output compares, PWM and
pulse counter modes
– 6 16-bit PWM modules (PWM)
– 3 16-bit timebase timers with 8-bit
prescalers
■ 12 communications interfaces
– 2 I2C interfaces
– 4 UART asynchronous serial interfaces
– 3 BSPI synchronous serial interfaces
– Up to 3 CAN interfaces (2.0B Active)
■ 10-bit A/D converter
– 12/16 channels
– Conversion time: min 3µs, range: 0 to 5V
■ Development tools support
– JTAG interface