SiM3U157-B-GM Silicon Labs, SiM3U157-B-GM Datasheet - Page 61

• Manufacturer Part Number: SiM3U157-B-GM
• Description: ARM Microcontrollers - MCU ARM Cortex-M3 USB 128KB LGA92
• Manufacturer: Silicon Labs

Specifications of SiM3U157-B-GM

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SIM3U1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 80 MHz
• Program Memory Size: 128 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: LGA-92
• Mounting Style: SMD/SMT
• Length: 7 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 65
• Number Of Timers: 2 x 32 bit
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 1.8 V

Note: All unnamed pins on the LGA-92 package are no-connect pins. They should be soldered to the PCB for mechanical stabil-
Pin Name
PB4.0
PB4.1
PB4.2
PB4.3
PB4.4
PB4.5
ity, but have no internal connections to the device.
Table 6.1. Pin Definitions and Alternate Functions for SiM3U1x7 (Continued)
High Drive I/O
High Drive I/O
High Drive I/O
High Drive I/O
High Drive I/O
High Drive I/O
Type
8
7
6
3
2
1
A6
A5
A4
A2
A1
D1
Rev. 1.0
LSO0
LSO1
LSO2
LSO3
LSO4
LSO5
SiM3U1xx
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