C8051F121-GQR Silicon Laboratories Inc, C8051F121-GQR Datasheet - Page 65
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C8051F121-GQR
Manufacturer Part Number
C8051F121-GQR
Description
IC 8051 MCU FLASH 128K 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F12xr
Specifications of C8051F121-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
32
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
64-TQFP, 64-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
32
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
336-1224 - 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F121-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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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
65
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