C8051F122 Silicon Laboratories Inc, C8051F122 Datasheet - Page 172

• Manufacturer Part Number: C8051F122
• Description: IC 8051 MCU FLASH 128K 100TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F12xr

Specifications of C8051F122

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 100MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 64
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x10b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
172
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