C8051F022-GQR Silicon Laboratories Inc, C8051F022-GQR Datasheet - Page 68
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C8051F022-GQR
Manufacturer Part Number
C8051F022-GQR
Description
IC 8051 MCU 64K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Specifications of C8051F022-GQR
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
For Use With
336-1200 - DEV KIT FOR F020/F021/F022/F023
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F022-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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C8051F022/3
68
VREF * (1023/1024)
AIN0-AGND (Volts)
AIN0-AGND (Volts)
VREF * (511/1024)
10-bit ADC Data Word appears in the ADC Data Word Registers as follows:
ADC0H[1:0]:ADC0L[7:0], if ADLJST = 0
ADC0H[7:0]:ADC0L[7:6], if ADLJST = 1
Example: ADC Data Word Conversion Map, AIN0 Input in Single-Ended Mode
Example: ADC Data Word Conversion Map, AIN0-AIN1 Differential Input Pair
ADLJST = 0:
Code
VREF * (511/512)
-VREF * (1/512)
VREF * (1/512)
-VREF / 2
VREF / 2
VREF / 2
-VREF
=
(ADC0H[7:2] will be sign-extension of ADC0H.1 for a differential reading, otherwise =
000000b).
(ADC0L[5:0] = 000000b).
(AMX0CF = 0x00, AMX0SL = 0x00)
0
(AMX0CF = 0x01, AMX0SL = 0x00)
0
Figure 6.11. ADC0 Data Word Example (C8051F022/3)
Vin
-------------- -
VREF
Gain
ADC0H:ADC0L
ADC0H:ADC0L
0xFE00 (-512)
(ADLJST = 0)
(ADLJST = 0)
0xFF00 (-256)
0xFFFF (-1)
0x03FF
0x01FF
0x01FF
0x0200
0x0000
0x0100
0x0001
0x0000
2
n
; ‘n’ = 10 for Single-Ended; ‘n’=9 for Differential.
Rev. 1.4
ADC0H:ADC0L
ADC0H:ADC0L
(ADLJST = 1)
(ADLJST = 1)
0xFFC0
0x7FC0
0x7FC0
0xFFC0
0xC000
0x8000
0x0000
0x4000
0x0040
0x0000
0x8000
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