C8051F120-GQR Silicon Laboratories Inc, C8051F120-GQR Datasheet - Page 65

• 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

VREF x (4095/4096)
VREF x (2047/4096)
VREF x (2047/2048)
–VREF x (1/2048)
12-bit ADC0 Data Word appears in the ADC0 Data Word Registers as follows:
ADC0H[3:0]:ADC0L[7:0], if AD0LJST = 0
=
ADC0H[7:0]:ADC0L[7:4], if AD0LJST = 1
Example: ADC0 Data Word Conversion Map, AIN0.0 Input in Single-Ended Mode
Example: ADC0 Data Word Conversion Map, AIN0.0-AIN0.1 Differential Input Pair
For AD0LJST = 0:
Code
VREF x (1/2048)
AIN0.0–AIN0.1
AIN0.0–AGND
–VREF / 2
VREF / 2
VREF / 2
–VREF
(Volts)
(Volts)
=
0
0
(ADC0H[7:4] will be sign-extension of ADC0H.3 for a differential reading, otherwise
0000b).
(ADC0L[3:0] = 0000b).
(AMX0CF = 0x00, AMX0SL = 0x00)
(AMX0CF = 0x01, AMX0SL = 0x00)
Vin

Figure 5.5. ADC0 Data Word Example
-------------- -
VREF
Gain
0xFC00 (–1024d)
0xF800 (–2048d)
ADC0H:ADC0L
ADC0H:ADC0L
(AD0LJST = 0)
(AD0LJST = 0)
0xFFFF (–1d)

0x0FFF
0x07FF
0x0000
0x07FF
0x0000
0x0800
0x0400
0x0001
2
n
; ‘n’ = 12 for Single-Ended; ‘n’=11 for Differential.
Rev. 1.4
C8051F120/1/2/3/4/5/6/7
ADC0H:ADC0L
ADC0H:ADC0L
(AD0LJST = 1)
(AD0LJST = 1)
0xFFF0
0xFFF0
0xC000
0x8000
0x7FF0
0x0000
0x7FF0
0x4000
0x0010
0x0000
0x8000
C8051F130/1/2/3
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