SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 56

• 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

SWCLK / TCK
SWDIO / TMS
SiM3U1xx
56
Pin Name
VREGIN
VSSHD
RESET
VIOHD
VBUS
PB0.0
PB0.1
PB0.2
PB0.3
PB0.4
PB0.5
PB0.6
VDD
VSS
VIO
D–
D+
Ground (High Drive)
Power (High Drive)
Serial Wire / JTAG
Serial Wire / JTAG
Power (Regulator)
Active-low Reset
USB Bus Sense
Power (Core)
Table 6.1. Pin Definitions and Alternate Functions for SiM3U1x7
Standard I/O
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-
Ground
Type
33
75
74 A44
32
49
73
76 A45
80 A48
79 A47
78 A46
77 B35
45 B20
44 A27
72 B33 XBR0
71 B32 XBR0
70 A42 XBR0
69 B31 XBR0
68 A41 XBR0
67 B30 XBR0
66 A40 XBR0
4
5
B15
B34
A19
A29
A43
B2
A3
Rev. 1.0







ADC0.0
ADC0.1
ADC0.2
ADC0.3
ADC0.4
ADC0.5
CS0.0
CS0.1
CS0.2
CS0.3
CS0.4
CS0.5