SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 19

• 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

Table 3.9. External Oscillator
External Input CMOS Clock
Frequency*
External Input CMOS Clock High Time
External Input CMOS Clock Low Time
External Crystal Clock Frequency
*Note: Minimum of 10 kHz during debug operations.
Parameter
Symbol
t
t
f
CMOSH
CMOSL
f
CMOS
XTAL
Rev. 1.0
Test Condition
0.01
Min
0
9
9
Typ
—
—
—
—
SiM3U1xx
Max
50
30
—
—
MHz
MHz
Unit
ns
ns
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