SiM3C157-B-GM Silicon Labs, SiM3C157-B-GM Datasheet - Page 84

• 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

SiM3C1xx
6.8. QFN-40 Package Specifications
84
Notes:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.
3. This package outline conforms to JEDEC MO-220.
4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020
Dimension
specification for Small Body Components.
bbb
ddd
aaa
ccc
eee
A1
D2
E2
A
b
D
E
L
e
Table 6.12. QFN-40 Package Dimensions
Figure 6.14. QFN-40 Package Drawing
0.80
0.00
0.18
4.35
4.35
0.30
Min
Rev.1.0
6.00 BSC
0.50 BSC
6.00 BSC
Nominal
0.85
0.02
0.25
4.50
0.40
0.10
0.10
0.08
0.10
0.05
4.5
Max
0.90
0.05
0.30
4.65
4.65
0.50