SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 70

• Manufacturer Part Number: SIM3U146-B-GM
• Description: ARM Microcontrollers - MCU ARM Cortex-M3 USB 64KB QFN64
• Manufacturer: Silicon Labs

Specifications of SIM3U146-B-GM

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SIM3U1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 80 MHz
• Program Memory Size: 64 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: QFN-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
70
Pin Name
VREGIN
SWCLK
VSSHD
SWDIO
RESET
VIOHD
VBUS
PB0.0
PB0.1
PB0.2
PB0.3
PB0.4
PB0.5
VDD
VSS
VIO
D+
D-
Table 6.3. Pin Definitions and Alternate Functions for SiM3U1x4
Ground (High Drive)
Power (High Drive)
Power (Regulator)
Active-low Reset
USB Bus Sense
Power (Core)
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Power (I/O)
USB Data+
USB Data–
Serial Wire
Serial Wire
Ground
Type
14
35
13
36
40
39
38
37
24
23
34
33
32
31
30
29
2
3
Rev. 1.0
XBR0
XBR0
XBR0
XBR0
XBR0





VREFGND
ADC0.10
ADC0.8
ADC0.9
ADC1.6
IDAC0
IDAC1
CS0.7
CS0.0
CS0.1
CS0.2
VREF
RTC1
RTC2