SiM3C157-B-GM Silicon Labs, SiM3C157-B-GM Datasheet - Page 52

• 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
52
VIOHD
*Noted pins are listed in the pinout table and 80-pin TQFP package figure with additional names.
These alternate functions are also present on the 92-pin LGA package and are identical to those on the
80-pin TQFP package.
PB4.5
PB4.4
PB4.3
PB4.2
PB4.1
PB4.0
PB3.8
PB3.6
PB3.4
PB3.2
PB3.1
PB3.0
A10
A11
A12
D1
A1
A2
A3
A4
A5
A6
A7
A8
A9
D2
A48
A13
D5
B1
B2
B3
B4
B5
B6
B7
B8
B9
D6
VSSHD
PB3.11
PB3.10
PB3.9
PB3.7
PB3.5
PB3.3
A47
A14
B36
B10
A46
A15
Figure 6.2. SiM3C1x7-GM Pinout
B35
B11
A45
A16
B34
B12
92 pin LGA
A44
A17
B33
B13
(Top View)
A43
A18
Rev.1.0
VSS
B32
B14
A42
A19
B31
B15
A41
A20
B30
B16
A40
A21
B29
B17
A39
A22
SWCLK*
B28
B18
PB0.14
PB1.3*
PB1.5*
PB1.7*
PB1.8*
PB1.1
A38
A23
A37
B27
B26
B25
B24
B23
B22
B21
B20
B19
A24
D8
D7
A36
A35
A34
A33
A32
A31
A30
A29
A28
A27
A26
A25
D4
D3
PB0.12
PB0.13
PB0.15
PB1.0
PB1.2*
PB1.4*
PB1.6*
VIO
PB1.9*
SWDIO*
PB1.10
PB1.11
PB1.12