SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 72

• 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
72
Pin Name
Table 6.3. Pin Definitions and Alternate Functions for SiM3U1x4 (Continued)
PB3.0
PB3.1
PB3.2
PB3.3
PB4.0
PB4.1
PB4.2
PB4.3
5 V Tolerant I/O
5 V Tolerant I/O
5 V Tolerant I/O
5 V Tolerant I/O
High Drive I/O
High Drive I/O
High Drive I/O
High Drive I/O
Type
10
9
8
7
6
5
4
1
Rev. 1.0
XBR1
XBR1
XBR1
XBR1




WAKE.12
WAKE.13
WAKE.14
WAKE.15
DAC0T0
DAC1T0
DAC0T1
DAC1T1
DAC0T2
DAC1T2
DAC0T3
DAC1T3
LPT0T0
LPT0T1
LPT0T2
INT0.0
INT1.0
INT0.1
INT1.1
INT0.2
INT1.3
INT0.3
INT1.3
EXREGOUT
EXREGSP
EXREGSN
EXREGBD
CMP0N.1
CMP1N.1
CMP0N.2
CMP1N.2
CMP0P.1
CMP1P.1
CMP0P.2
CMP1P.2