SiM3U167-B-GDI High-Performance, Low-Power, 32-Bit Precision32 USB MCU Family with up to 256 kB of Flash Die in Wafer Form 32-bit ARM Cortex-M3 CPU Analog Peripherals - 80 MHz maximum frequency - 2 x 12-Bit Analog-to-Digital Converters: Up to 250 ksps 12-bit mode or 1 Msps 10-bit mode, internal or external reference - Single-cycle multiplication, hardware division support - 2 x 10-Bit Current-mode Digital-to-Analog Converters, four- - Nested vectored interrupt control (NVIC) with 16 priority levels word buffer enables 12-bit operation Memory - 2 x Low-current comparators - 32256 kB Flash, in-system programmable - 16-Channel Capacitance-to-Digital: Fast, <1 A wake-on-touch - 832 kB SRAM (including 4 kB retention SRAM) - 2 x Current-to-Voltage Converter, up to 6 mA input range - 16-channel DMA controller Digital and Communication Peripherals - External bus interface supports up to 16 MB of external mem- - USB 2.0-compliant full speed with 10 endpoints, 2 kB buffer, ory and a parallel LCD interface with QVGA resolution oscillator with automatic frequency correction, and transceiver no external components needed Power Management - 2 x USARTs and 2 x UARTs with IrDA and ISO7816 SmartCard - Low drop-out (LDO) regulator 2 - 3 x SPIs, 2 x I2C, I S (receive and transmit), 16/32-bit CRC - Power-on reset circuit and brownout detectors - 128/192/256-bit Hardware AES Encryption - 53.3 V 150 mA regulator supports direct USB power - Adjustable external regulator supports up to 3.6 V, 1000 mA Timers/Counters - Multiple power modes supported for low power optimization - 2 x 32-bit or 4 x 16-bit timers with capture/compare - 2 x 16-bit, 2-channel counters with capture/compare/PWM Low Power Features - 16-bit, 6-channel counter with capture/compare/PWM and - 85 nA current mode with voltage supply monitor enabled dead-time controller with differential outputs - Low-current RTC: 350 nA internal LFO, 620 nA external crystal - 16-bit low power timer/pulse counter operational in sleep - 10 s wakeup (lowest power mode) 1.5 s analog setting time - 32-bit real time clock (RTC) with multiple alarms - 275 A/MHz active current - Watchdog timer - Clocks can be gated off from unused peripherals to save power - Flexible clock divider: Reduce operational frequency up to 128x Up to 65 Flexible I/O - Up to 59 contiguous GPIO with two priority crossbars providing Clock Sources flexibility in pin assignments 12 x 5 V tolerant GPIO - Internal oscillator with PLL: 23-80 MHz, reduced EMI mode - Up to 6 programmable high drive capable (5300 mA, 1.86 V) - USB internal 48 MHz oscillator supports crystal-less operation I/O can drive LEDs, power MOSFETs, buzzers, etc. - Low power internal oscillator: 20 MHz and 2.5 MHz modes On-Chip Debugging - Low frequency internal oscillator: 16.4 kHz - Serial wire debug (SWD) or JTAG (no boundary scan), serial - External oscillators: Crystal, RC, C, CMOS and RTC Crystal wire viewer (SWV) Supply Voltage - Cortex-M3 embedded trace macrocell (ETM) - 2.7 to 5.5 V (regulator enabled) Full Technical Data Sheet - 1.8 to 3.6 V (regulator disabled) - SiM3U1xx Temperature Range: 40 to +85 C Power Core / Memory / Support Analog Peripherals 5 V In, 3.3 V Out LDO 2 x SAR ADC ARM Cortex M3 (80 MHz) (Direct Power From USB) (12-bit 250 ksps / 10-bit 1 Msps) 32/64/128/256 kB Flash Voltage Reference 1.8 V Internal LDO (Internal Logic and Memory Power) 8/16/32 kB SRAM w/ 4kB Retention 2 x Current-Source DAC External 1A Regulator 16-Channel DMA Controller 2 x Low Current Comparators Power Management Unit Watchdog 2 x Current-to-Voltage Converter Supply Monitor Serial Wire / JTAG / ETM 16-Channel Capacitive Sense Clocking / Oscillators Digital Peripherals 80 MHz PLL I2S TX/RX 2 x I2C 3 x SPI AES CRC 48 MHz USB Oscillator 2 x 32-bit Timers (4 x 16-bit) Real-Time Clock w/ Dedicated Crystal 2 x UART, 2 x USART w/ IrDA/SmartCard USB 2.0 16 kHz Low Frequency Oscillator Full-Speed 6-Channel Enhanced PWM MAC/PHY 20 MHz Low Power Oscillator 2 x 2-Channel Standard PWM External Oscillator Drive Low-Power Timer External Parallel I/F Rev. 1.1 5/14 Copyright 2014 by Silicon Laboratories SiM3U167-B-GDI Not Recommended for New Designs Clock Selection and Gating Two Priority Crossbar Flexible Pin Muxing Encoders 65 Multi-Function I/O Pins (12 x 5 V tol, 6 x High-Drive)SiM3U167-B-GDI 1. Ordering Information Table 1. Product Selection Guide SiM3U167-B-GDI 256 32 24 65 6 16 16 16 8/8 16 12 mil backgrind SiM3U167-B-G1DI 256 32 24 65 6 16 16 16 8/8 16 28.54 mil/725 m (no backgrind) 2 Rev. 1.1 Not Recommended for New Designs Ordering Part Number Flash Memory (kB) RAM (kB) External Memory Interface (EMIF) Maximum Number of EMIF Address/Data Pins Digital Port I/Os (Total) Digital Port I/Os with High Drive Capability Number of SARADC0 Channels Number of SARADC1 Channels Number of CAPSENSE0 Channels Number of Comparator 0/1 Inputs (+/-) Number of PMU Pin Wake Sources JTAG Debugging Interface ETM Debugging Interface Serial Wire Debugging Interface Wafer Thickness