C8051F023R Silicon Laboratories Inc, C8051F023R Datasheet - Page 81

• Manufacturer Part Number: C8051F023R
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F023R

• 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: 32
• 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: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1035-2

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
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