SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 59

• 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

Pin Name
PB2.10
PB2.12
PB2.13
PB2.14
PB2.11
PB2.5
PB2.6
PB2.7
PB2.8
PB2.9
PB3.0
PB3.1
PB3.2
PB3.3
Table 6.1. Pin Definitions and Alternate Functions for SiM3U1x7 (Continued)
5 V Tolerant I/O
5 V Tolerant I/O
5 V Tolerant I/O
5 V Tolerant I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Type
30 A18 XBR1
29 B13 XBR1
28 A17 XBR1
27 B12 XBR1
26 A16 XBR1
25 B11 XBR1
24 A15 XBR1
23 A14 XBR1
22 A13 XBR1
21
20 A12 XBR1
19 A11 XBR1
18 A10 XBR1
17
D2 XBR1
B8 XBR1
Rev. 1.0














AD12m /
AD11m/
AD10m/
AD9m/
AD8m/
AD7m/
AD6m/
AD5m/
AD4m/
AD3m/
AD2m/
AD1m/
AD0m/
WR
D7
D6
D5
D4
D3
D2
D1
D0
A4
A3
A2
A1
A0
LSI5 Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
DAC0T0
DAC1T0
DAC0T1
DAC1T1
LPT0T0
INT0.5
INT1.5
INT0.6
INT1.6
INT0.7
INT1.7
INT0.8
INT1.8
SiM3U1xx
RTC0TCLK_OUT
CMP0N.0
CMP1N.0
CMP0N.1
CMP1N.1
CMP0N.2
CMP1N.2
CMP0N.3
CMP1N.3
CMP0P.0
CMP1P.0
CMP0P.1
CMP1P.1
CMP0P.2
CMP1P.2
CMP0P.3
CMP1P.3
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