C8051F022 Silicon Laboratories Inc, C8051F022 Datasheet - Page 49
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C8051F022
Manufacturer Part Number
C8051F022
Description
IC 8051 MCU 64K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Specifications of C8051F022
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, 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
-
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Silicon Laboratories Inc
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C8051F022R
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Silicon Laboratories Inc
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Bits7-3:
Bits2-0:
AD0SC4
R/W
Bit7
AD0SC4-0: ADC0 SAR Conversion Clock Period Bits
SAR Conversion clock is derived from system clock by the following equation, where AD0SC refers
to the 5-bit value held in AD0SC4-0, and CLK
Table 5.1 on page 58 for SAR clock setting requirements.
AD0SC
AMP0GN2-0: ADC0 Internal Amplifier Gain (PGA)
000: Gain = 1
001: Gain = 2
010: Gain = 4
011: Gain = 8
10x: Gain = 16
11x: Gain = 0.5
Figure 5.7. ADC0CF: ADC0 Configuration Register (C8051F020/1)
AD0SC3
R/W
Bit6
=
---------------------- - 1
CLK
SYSCLK
AD0SC2
R/W
Bit5
SAR0
–
AD0SC1
R/W
Bit4
AD0SC0 AMP0GN2 AMP0GN1 AMP0GN0 11111000
R/W
Bit3
Rev. 1.4
SAR0
refers to the desired ADC0 SAR clock. See
R/W
Bit2
R/W
Bit1
C8051F020/1
R/W
Bit0
SFR Address:
Reset Value
0xBC
49
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