C8051F131R Silicon Labs, C8051F131R Datasheet - Page 172

• Manufacturer Part Number: C8051F131R
• Description: 8-bit Microcontrollers - MCU 128kB 100MIPS 8448B RAM
• Manufacturer: Silicon Labs

Specifications of C8051F131R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 100 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 8.25 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Package / Case: TQFP-64
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 9
• Data Rom Size: 64 KB
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 500
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V

C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
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Bits 7 – 0: Low Byte (bits 7 – 0) of MAC0 A Register.
Bits 7 – 0: High Byte (bits 15 – 8) of MAC0 B Register.
Bits 7 – 0: Low Byte (bits 7 – 0) of MAC0 B Register.
*Note: The contents of this register should not be changed by software during the first MAC0 pipeline stage.
Bit7
Bit7
Bit7
R
R
R
A write to this register initiates a Multiply or Multiply and Accumulate operation.
Bit6
Bit6
Bit6
R
R
R
SFR Definition 12.5. MAC0BH: MAC0 B High Byte
SFR Definition 12.4. MAC0AL: MAC0 A Low Byte
SFR Definition 12.6. MAC0BL: MAC0 B Low Byte
Bit5
Bit5
Bit5
R
R
R
Bit4
Bit4
Bit4
R
R
R
Rev. 1.4
Bit3
Bit3
Bit3
R
R
R
Bit2
Bit2
Bit2
R
R
R
Bit1
Bit1
Bit1
R
R
R
SFR Address: 0xC1
SFR Address: 0x92
SFR Address: 0x91
SFR Page: 3
SFR Page: 3
SFR Page: 3
Bit0
Bit0
Bit0
R
R
R
00000000
00000000
00000000
Reset Value
Reset Value
Reset Value