C8051F131R Silicon Labs, C8051F131R Datasheet - Page 173

• 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

Bits 7 – 0: Byte 3 (bits 31 – 24) of MAC0 Accumulator.
Bits 7 – 0: Byte 2 (bits 23 – 16) of MAC0 Accumulator.
Bits 7 – 0: Byte 1 (bits 15 – 8) of MAC0 Accumulator.
*Note:
*Note:
*Note:
Bit7
Bit7
Bit7
R
R
R
The contents of this register should not be changed by software during the first two MAC0 pipeline stages.
The contents of this register should not be changed by software during the first two MAC0 pipeline stages.
The contents of this register should not be changed by software during the first two MAC0 pipeline stages.
SFR Definition 12.7. MAC0ACC3: MAC0 Accumulator Byte 3
SFR Definition 12.8. MAC0ACC2: MAC0 Accumulator Byte 2
SFR Definition 12.9. MAC0ACC1: MAC0 Accumulator Byte 1
Bit6
Bit6
Bit6
R
R
R
Bit5
Bit5
Bit5
R
R
R
Bit4
Bit4
Bit4
R
R
R
Rev. 1.4
Bit3
Bit3
Bit3
R
R
R
C8051F120/1/2/3/4/5/6/7
Bit2
Bit2
Bit2
R
R
R
C8051F130/1/2/3
Bit1
Bit1
Bit1
R
R
R
SFR Address: 0x95
SFR Address: 0x96
SFR Address: 0x94
SFR Page: 3
SFR Page: 3
SFR Page: 3
Bit0
Bit0
Bit0
R
R
R
00000000
00000000
Reset Value
00000000
Reset Value
Reset Value
173