SIM3U156-B-GQ Silicon Labs, SIM3U156-B-GQ Datasheet - Page 52

• 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
5. Ordering Information
All devices in the SiM3U1xx family have the following features:
The inclusion of some features varies across different members of the device family. The differences are detailed in
Table 5.1.
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Core: ARM Cortex-M3 with maximum operating frequency of 80 MHz.
Flash Program Memory: 32-256 kB, in-system programmable.
RAM: 8–32 kB SRAM, with 4 kB retention SRAM
I/O: Up to 65 multifunction I/O pins, including high-drive and 5 V-tolerant pins.
Clock Sources: Internal and external oscillator options.
16-Channel DMA Controller.
128/192/256-bit AES.
16/32-bit CRC.
Timers: 2 x 32-bit (4 x 16-bit).
Real-Time Clock.
Low-Power Timer.
PCA: 1 x 6 channels (Enhanced), 2 x 2 channels (Standard). PWM, capture, and clock generation
capabilites.
ADC: 2 x 12-bit 250 ksps (10-bit 1 Msps) SAR.
DAC: 2 x 10-bit IDAC.
Temperature Sensor.
Internal VREF.
16-channel Capacitive Sensing (CAPSENSE).
Comparator: 2 x low current.
Current to Voltage Converter (IVC).
USB: Full or low-speed, crystalless operation using internal USB oscillator.
Serial Buses: 2 x USART, 2 x UART, 3 x SPI, 2 x I2C, 1 x I
Si M3 U 1 4 4 – B
Silicon Labs
Core – M3 (Cortex M3)
Family – U (USB), C (Core)
Figure 5.1. SiM3U1xx Part Numbering
Feature Set – varies by family
Memory Size – 3 (32 kB), 4 (64 kB), 5 (128 kB), 6 (256 kB)
Pin Count – 4 (40 pin), 6 (64 pin), 7 (80 or 92 pin)
Rev. 1.0
–
Revision
GM
2
Temperature Grade and Package Type
S.