C8051F120-GQR Silicon Laboratories Inc, C8051F120-GQR Datasheet - Page 99

• Manufacturer Part Number: C8051F120-GQR
• Description: IC 8051 MCU FLASH 128K 100TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F12xr

Specifications of C8051F120-GQR

• 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: 64
• 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: 100-TQFP, 100-VQFP
• Processor Series: C8051F1x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 8.25 KB
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Clock Frequency: 100 MHz
• Number Of Programmable I/os: 64
• Number Of Timers: 5
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F120DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 8 Channel
• On-chip Dac: 12 bit, 2 Channel
• For Use With: 336-1285 - KIT DEV EMBEDDED MODEM336-1284 - KIT DEV EMBEDDED ETHERNET336-1224 - DEVKIT-F120/21/22/23/24/25/26/27
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Bits7–0: ADC2 Data Word.
SFR Page:
SFR Address:
R/W
Bit7
–VREF * (128/128)
VREF * (255/256)
VREF * (128/256)
VREF * (127/128)
–VREF * (64/128)
Single-Ended Example:
8-bit ADC Data Word appears in the ADC2 Data Word Register as follows:
Example: ADC2 Data Word Conversion Map, Single-Ended AIN2.0 Input
Differential Example:
8-bit ADC Data Word appears in the ADC2 Data Word Register as follows:
Example: ADC2 Data Word Conversion Map, Differential AIN2.0-AIN2.1 Input
Code
VREF * (64/256)
VREF * (64/128)
Code
AIN2.0–AIN2.1
AIN2.0–AGND
2
0xBE
(Volts)
(Volts)
R/W
Bit6
=
(AMX2CF = 0x00; AMX2SL = 0x00)
0
(AMX2CF = 0x01; AMX2SL = 0x00)
0
=
Vin
Vin
SFR Definition 7.5. ADC2: ADC2 Data Word


Figure 7.4. ADC2 Data Word Example
R/W
Bit5
------------------------ -
2 V
-------------- -
VREF
Gain
 REF
Gain
0x80 (-128d)
0xC0 (-64d)

ADC2
ADC2
256
0xFF
0x7F
0x80
0x40
0x00
0x40
0x00
R/W
Bit4

256
Rev. 1.4
R/W
Bit3
C8051F120/1/2/3/4/5/6/7
R/W
Bit2
C8051F130/1/2/3
R/W
Bit1
R/W
Bit0
00000000
Reset Value
99