SiM3C157-B-GM Silicon Labs, SiM3C157-B-GM Datasheet - Page 5

• Manufacturer Part Number: SiM3C157-B-GM
• Description: ARM Microcontrollers - MCU 128KB LGA92
• Manufacturer: Silicon Labs

Specifications of SiM3C157-B-GM

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SIM3C1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 80 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 42 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: LGA-92
• Mounting Style: SMD/SMT
• Interface Type: 2 x I2C, I2S, 3 x SPI, 2 x USART, 2 x UART
• Number Of Programmable I/os: 75
• Number Of Timers: 12 x 32 bit
• Supply Voltage - Max: 3.6 V

2. Typical Connection Diagrams
This section provides typical connection diagrams for SiM3C1xx devices.
2.1. Power
Figure 2.1 shows a typical connection diagram for the power pins of the SiM3C1xx devices when the internal
regulator is in use.
Figure 2.2 shows a typical connection diagram for the power pins of the SiM3C1xx devices when the internal
regulator is not used.
1 uF and 0.1 uF bypass
each power pin placed
capacitors required for
as close to the pins as
possible.
1 uF and 0.1 uF bypass
each power pin placed
capacitors required for
as close to the pins as
possible.
Figure 2.2. Connection Diagram with Voltage Regulator Not Used
Figure 2.1. Connection Diagram with Voltage Regulator Used
5 V (in)
1.8-3.6 V (in)
3.3 V (out)
Rev.1.0
VREGIN
VSSHD
VIOHD
VDD
VSS
VREGIN
VIO
VSSHD
VIOHD
VDD
VSS
VIO
SiM3C1xx Device
SiM3C1xx Device
VREGn
VREGn
SiM3C1xx
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