SIM3C157-B-GMR vs SIM3U157-B-GMR

Product Attributes

Part Number SIM3C157-B-GMR SIM3U157-B-GMR
Manufacturer Silicon Labs Silicon Labs
Category Embedded - Microcontrollers Embedded - Microcontrollers
SIM3C157-B-GMR SIM3U157-B-GMR
Product Status Not For New Designs Not For New Designs
Core Processor ARM® Cortex®-M3 ARM® Cortex®-M3
Core Size 32-Bit Single-Core 32-Bit Single-Core
Speed 80MHz 80MHz
Connectivity EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O 65 65
Program Memory Size 128KB (128K x 8) 128KB (128K x 8)
Program Memory Type Flash Flash
EEPROM Size - -
RAM Size 32K x 8 32K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V 1.8V ~ 3.6V
Data Converters A/D 32x12b; D/A 2x10b A/D 32x12b; D/A 2x10b
Oscillator Type Internal Internal
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 92-VFLGA Dual Rows, Exposed Pad 92-VFLGA Dual Rows, Exposed Pad
Supplier Device Package 92-LGA (7x7) 92-LGA (7x7)