SILICON LABS SIM3U167-B-GM

High-performance, low-power 32-bit Precision32™ microcontroller family with up to 256kB flash. Features a 32-bit ARM® Cortex™-M3 CPU running at up to 80MHz with single-cycle multiply and hardware divide, and an NVIC with 16 priority levels. Includes 32–256kB in-system programmable flash, 8–32kB SRAM (with 4kB reserved SRAM), a 16-channel DMA controller, and an external bus interface supporting up to 16MB external memory and a parallel LCD interface at QVGA resolution. Offers versatile power management with multiple low-power mode optimizations. Multiple clock sources available, operating temperature range -40 to +85°C, multiple package options. Rich analog, digital, and communication peripherals, multiple timers/counters, up to 65 flexible I/Os, and on-chip debug support. Supply voltage: 2.7 to 5.5V with regulator enabled, 1.8 to 3.6V with regulator disabled.

• 80 MHz maximum frequency Single-cycle multiplication, hardware division support
• Nested vectored interrupt control (NVIC) with 16 priority levels
• 32–256kB Flash, in-system programmable
• 8–32 kB SRAM (including 4 kB retention SRAM)
• 16-channel DMA controller
• External bus interface supports up to 16MB of external memory and a parallel LCD interface with QVGA resolution
• Low drop-out (LDO) regulator
• Power-on reset circuit and brownout detectors
• 5-to-3.3 V 150 mA regulator supports up to 5 V input supply
• Adjustable external regulator supports up to 3.6 V, 1000 mA
• Multiple power modes supported for low power optimization
• 85nA current mode with voltage supply monitor enabled
• Low-current RTC: 350 nA internal LFO, 620nA external crystal
• 12 μs wakeup (lowest power mode); 1.5 μs analog setting time
• 275 μA/MHz active current
• Clocks can be gated off from unused peripherals to save power
• Flexible clock divider: Reduce operational frequency up to 128×
• Internal oscillator with PLL: 23–80 MHz, reduced EMI mode
• Low power internal oscillator: 20 MHz and 2.5MHz modes
• Low frequency internal oscillator: 16.4 kHz
• External oscillators: Crystal, RC, C, CMOS and RTC Crystal
• Temperature Range: -40 to +85 ℃
• 2×12-bit Analog-to-Digital Converters: Up to 250ksps 12-bit mode or 1Msps 10-bit mode, internal or external reference
• 2×10-bit Current-mode Digital-to-Analog Converters, fourword buffer enables 12-bit operation
• 2× Low-current comparators
• 16-Channel Capacitance-to-Digital: Fast, <1 μA wake-on-touch
• 2× Current-to-Voltage Converter, up to 6 mA input range
• 2×32-bit or 4× 16-bit timers with capture/compare
• 2×16-bit, 2-channel counters with capture/compare/PWM
• 16-bit, 6-channel counter with capture/compare/PWM and dead-time controller with differential outputs
• 16-bit low power timer/pulse counter operational in sleep
• 32-bit real time clock (RTC) with multiple alarms
• Watchdog timer
• Up to 59 contiguous GPIO with two priority crossbars providing flexibility in pin assignments; 12×5 V tolerant GPIO
• Up to 6 programmable high drive capable (5–300mA, 1.8–6V) I/O can drive LEDs, power MOSFETs, buzzers, etc.
• Serial wire debug (SWD) or JTAG (no boundary scan), serial wire viewer (SWV)
• Cortex-M3 embedded trace macrocell (ETM)
• 2.7 to 5.5 V (regulator enabled)
• 1.8 to 3.6 V (regulator disabled)