SiM3U157-B-GQ Silicon Labs, SiM3U157-B-GQ Datasheet

SiM3U157-B-GQ

Manufacturer Part Number

SiM3U157-B-GQ

Description

ARM Microcontrollers - MCU ARM Cortex-M3 USB 128KB TQFP80

Manufacturer

Silicon Labs

Datasheet

1.SIM3U157-B-GQ.pdf (94 pages)

Specifications of SiM3U157-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-80

Mounting Style

SMD/SMT

Interface Type

2 x I2C, I2S, 3 x SPI, 2 x USART, 2 x UART

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Number Of Programmable I/os

Number Of Timers

2 x 32 bit

Supply Voltage - Max

3.6 V

Supply Voltage - Min

1.8 V

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

SIM3U157-B-GQ

Manufacturer:

Silicon Laboratories Inc

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

SiM3U157-B-GQR

Manufacturer:

Silicon Laboratories Inc

Quantity:

10 000

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32-bit ARM® Cortex™-M3 CPU

Memory

Power Management

Low Power Features

Clock Sources

Temperature Range: –40 to +85 °C

Package Options

Rev. 1.0 11/12

80 MHz maximum frequency

Single-cycle multiplication, hardware division support

Nested vectored interrupt control (NVIC) with 16 priority levels

32–256 kB Flash, in-system programmable

8–32 kB SRAM (including 4 kB retention SRAM)

16-channel DMA controller

External bus interface supports up to 16 MB of external mem-

ory 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 direct USB power

Adjustable external regulator supports up to 3.6 V, 1000 mA

Multiple power modes supported for low power optimization

85 nA current mode with voltage supply monitor enabled

Low-current RTC: 350 nA internal LFO, 620 nA 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 128x

Internal oscillator with PLL: 23-80 MHz, reduced EMI mode

USB internal 48 MHz oscillator supports crystal-less operation

Low power internal oscillator: 20 MHz and 2.5 MHz modes

Low frequency internal oscillator: 16.4 kHz

External oscillators: Crystal, RC, C, CMOS and RTC Crystal

QFN options: 40-pin (6 x 6 mm), 64-pin (9 x 9 mm)

TQFP options: 64-pin (10 x 10 mm), 80-pin (12 x 12 mm)

LGA option: 92-pin (7 x 7 mm)

(Internal Logic and Memory Power)

Real-Time Clock w/ Dedicated Crystal

16 kHz Low Frequency Oscillator

20 MHz Low Power Oscillator

(Direct Power From USB)

Power Management Unit

5 V In, 3.3 V Out LDO

External 1A Regulator

External Oscillator Drive

Clocking / Oscillators

48 MHz USB Oscillator

1.8 V Internal LDO

Supply Monitor

80 MHz PLL

Power

8/16/32 kB SRAM w/ 4kB Retention

16-Channel DMA Controller

ARM Cortex M3 (80 MHz)

Core / Memory / Support

Serial Wire / JTAG / ETM

32/64/128/256 kB Flash

Full-Speed

I2S TX/RX

MAC/PHY

Watchdog

USB 2.0

High-Performance, Low-Power, 32-Bit Precision32™

Analog Peripherals

Digital and Communication Peripherals

Timers/Counters

Up to 65 Flexible I/O

On-Chip Debugging

Supply Voltage

2 x I2C

Low-Power Timer

2 x UART, 2 x USART w/ IrDA/SmartCard

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

2 x 10-Bit Current-mode Digital-to-Analog Converters, four-

word buffer enables 12-bit operation

2 x Low-current comparators

16-Channel Capacitance-to-Digital: Fast, <1 µA wake-on-touch

2 x Current-to-Voltage Converter, up to 6 mA input range

USB 2.0-compliant full speed with 10 endpoints, 2 kB buffer,

oscillator with automatic frequency correction, and transceiver;

no external components needed

2 x USARTs and 2 x UARTs with IrDA and ISO7816 SmartCard

3 x SPIs, 2 x I2C, I

128/192/256-bit Hardware AES Encryption

2 x 32-bit or 4 x 16-bit timers with capture/compare

2 x 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 x 5 V tolerant GPIO

Up to 6 programmable high drive capable (5–300 mA, 1.8–6 V)

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)

Digital Peripherals

2 x 2-Channel Standard PWM

USB MCU Family with up to 256 kB of Flash

2 x 32-bit Timers (4 x 16-bit)

6-Channel Enhanced PWM

3 x SPI

2 x Current-to-Voltage Converter

(12-bit 250 ksps / 10-bit 1 Msps)

16-Channel Capacitive Sense

2 x Low Current Comparators

2 x Current-Source DAC

Analog Peripherals

Voltage Reference

2 x SAR ADC

External Parallel I/F

AES

S (receive and transmit), 16/32-bit CRC

CRC

SiM3U1xx

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