C8051F121 Silicon Laboratories Inc, C8051F121 Datasheet - Page 172
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C8051F121
Manufacturer Part Number
C8051F121
Description
IC 8051 MCU FLASH 128K 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F12xr
Specifications of C8051F121
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
32
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, 8x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Part Number
Manufacturer
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Price
Company:
Part Number:
C8051F121
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F121-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F121-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Part Number:
C8051F121R
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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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
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