SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 54

• 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
6. Pin Definitions and Packaging Information
6.1. SiM3U1x7 Pin Definitions
54
VSSHD
PB3.11
PB3.10
VIOHD
PB4.5
PB4.4
PB4.3
PB4.2
PB4.1
PB4.0
PB3.9
PB3.8
PB3.7
PB3.6
PB3.5
PB3.4
PB3.3
PB3.2
PB3.1
PB3.0
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Figure 6.1. SiM3U1x7-GQ Pinout
80-Pin TQFP
Rev. 1.0
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
PB0.13
PB0.14
PB0.15
PB1.0
PB1.1
PB1.2/TRST
PB1.3/TDO/SWV
PB1.4/TDI
PB1.5/ETM0
PB1.6/ETM1
VIO
PB1.8/ETM3
PB1.9/TRACECLK
SWCLK/TCK
SWDIO/TMS
PB1.10
PB1.11
PB1.12
PB0.12
PB1.7/ETM2