SIM3U156-B-GQ Silicon Labs, SIM3U156-B-GQ Datasheet - Page 2

• Manufacturer Part Number: SIM3U156-B-GQ
• Description: ARM Microcontrollers - MCU ARM Cortex-M3 USB 128KB TQFP64
• Manufacturer: Silicon Labs

Specifications of SIM3U156-B-GQ

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SIM3U1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 80 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.8 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: TQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2 x I2C, I2S, 3 x SPI, 2 x USART, 2 x UART
• Number Of Programmable I/os: 65
• Number Of Timers: 2 x 32 bit
• Supply Voltage - Max: 3.6 V

SiM3U1xx
Ta ble of Contents
1. Related Documents and Conventions ...............................................................................4
2. Typical Connection Diagrams ............................................................................................5
3. Electrical Specifications......................................................................................................8
4. Precision32™ SiM3U1xx System Overview .................................................................... 35
2
1.1. Related Documents........................................................................................................4
1.2. Conventions ...................................................................................................................4
2.1. Power .............................................................................................................................5
3.1. Electrical Characteristics ................................................................................................8
3.2. Thermal Conditions ...................................................................................................... 33
3.3. Absolute Maximum Ratings..........................................................................................33
4.1. Power ........................................................................................................................... 37
4.2. I/O................................................................................................................................. 39
4.3. Clocking........................................................................................................................ 40
4.4. Data Peripherals...........................................................................................................42
4.5. Counters/Timers and PWM ..........................................................................................43
4.6. Communications Peripherals ....................................................................................... 45
1.1.1. SiM3U1xx/SiM3C1xx Reference Manual...............................................................4
1.1.2. Hardware Access Layer (HAL) API Description ....................................................4
1.1.3. ARM Cortex-M3 Reference Manual.......................................................................4
4.1.1. LDO and Voltage Regulator (VREG0) ................................................................. 37
4.1.2. Voltage Supply Monitor (VMON0) ....................................................................... 37
4.1.3. External Regulator (EXTVREG0) ........................................................................ 37
4.1.4. Power Management Unit (PMU).......................................................................... 37
4.1.5. Device Power Modes........................................................................................... 38
4.2.1. General Features.................................................................................................39
4.2.2. High Drive Pins (PB4)..........................................................................................39
4.2.3. 5 V Tolerant Pins (PB3) ....................................................................................... 39
4.2.4. Crossbars ............................................................................................................ 39
4.3.1. PLL (PLL0)........................................................................................................... 41
4.3.2. Low Power Oscillator (LPOSC0) ......................................................................... 41
4.3.3. Low Frequency Oscillator (LFOSC0)................................................................... 41
4.3.4. External Oscillators (EXTOSC0).......................................................................... 41
4.4.1. 16-Channel DMA Controller................................................................................. 42
4.4.2. 128/192/256-bit Hardware AES Encryption (AES0) ............................................ 42
4.4.3. 16/32-bit CRC (CRC0)......................................................................................... 42
4.5.1. Programmable Counter Array (EPCA0, PCA0, PCA1)........................................ 43
4.5.2. 32-bit Timer (TIMER0, TIMER1).......................................................................... 43
4.5.3. Real-Time Clock (RTC0) ..................................................................................... 44
4.5.4. Low Power Timer (LPTIMER0)............................................................................44
4.5.5. Watchdog Timer (WDTIMER0)............................................................................44
4.6.1. External Memory Interface (EMIF0).....................................................................45
4.6.2. USB0 .................................................................................................................. 45
4.6.3. USART (USART0, USART1)............................................................................... 45
4.6.4. UART (UART0, UART1) ...................................................................................... 46
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