C8051F020 Silicon Laboratories Inc, C8051F020 Datasheet - Page 81
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C8051F020
Manufacturer Part Number
C8051F020
Description
IC 8051 MCU 64K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Specifications of C8051F020
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
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
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x12b; 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F020
Manufacturer:
SILICON
Quantity:
2
Company:
Part Number:
C8051F020
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Part Number:
C8051F020
Manufacturer:
CYPRESS/赛普拉斯
Quantity:
20 000
Company:
Part Number:
C8051F020-GQ
Manufacturer:
SiliconL
Quantity:
4 035
Company:
Part Number:
C8051F020-GQ
Manufacturer:
MICRON
Quantity:
200
Company:
Part Number:
C8051F020-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F020-GQR
Manufacturer:
SILICON
Quantity:
3 000
Company:
Part Number:
C8051F020-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Part Number:
C8051F020-GQR
Manufacturer:
SIL
Quantity:
20 000
Company:
Part Number:
C8051F020DK
Manufacturer:
SiliconL
Quantity:
10
Company:
Part Number:
C8051F020R
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Bits7-0:
R/W
Bit7
ADC1 Data Word.
8-bit ADC Data Word appears in the ADC1 Data Word Register as follows:
Example: ADC1 Data Word Conversion Map, AIN1.0 Input
VREF * (255/256)
VREF * (127/256)
Code
AIN1.0-AGND
VREF / 2
R/W
Bit6
(Volts)
(AMX1SL = 0x00)
0
=
Vin
Figure 7.7. ADC1: ADC1 Data Word Register
R/W
Bit5
Figure 7.8. ADC1 Data Word Example
-------------- -
VREF
Gain
R/W
Bit4
ADC1
256
0xFF
0x80
0x7F
0x00
R/W
Bit3
Rev. 1.4
R/W
Bit2
C8051F020/1/2/3
R/W
Bit1
R/W
Bit0
SFR Address:
00000000
Reset Value
0x9C
81