C8051F021-GQ Silicon Laboratories Inc, C8051F021-GQ Datasheet - Page 52

IC 8051 MCU 64K FLASH 64TQFP

C8051F021-GQ

Manufacturer Part Number
C8051F021-GQ
Description
IC 8051 MCU 64K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Datasheets

Specifications of C8051F021-GQ

Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
64-TQFP, 64-VQFP
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
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F0x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
I2C/SMBus/SPI/UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
32
Number Of Timers
4
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
C8051F020DK
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 8-bit or 8-ch x 12-bit
On-chip Dac
2-ch x 12-bit
No. Of I/o's
32
Ram Memory Size
4352Byte
Cpu Speed
25MHz
No. Of Timers
5
No. Of Pwm Channels
5
Rohs Compliant
Yes
Data Rom Size
64 KB
A/d Bit Size
12 bit
A/d Channels Available
8
Height
1.05 mm
Length
10 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Width
10 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1200 - DEV KIT FOR F020/F021/F022/F023
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1201
C8051F020/1
52
VREF * (4095/4096)
VREF * (2047/4096)
VREF * (2047/2048)
AIN0-AGND (Volts)
AIN0-AGND (Volts)
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 Input in Single-Ended Mode
Example: ADC0 Data Word Conversion Map, AIN0-AIN1 Differential Input Pair
For AD0LJST = 0:
Code
-VREF * (1/2048)
VREF * (1/2048)
-VREF / 2
VREF / 2
VREF / 2
-VREF
=
(ADC0H[7:4] will be sign-extension of ADC0H.3 for a differential reading, otherwise =
0000b).
(ADC0L[3:0] = 0000b).
(AMX0CF = 0x00, AMX0SL = 0x00)
0
(AMX0CF = 0x01, AMX0SL = 0x00)
0
Figure 5.11. ADC0 Data Word Example (C8051F020/1)
Vin
-------------- -
VREF
Gain
ADC0H:ADC0L
ADC0H:ADC0L
0xFC00 (-1024d)
0xF800 (-2048d)
(AD0LJST = 0)
(AD0LJST = 0)
0xFFFF (-1d)
0x0FFF
0x07FF
0x07FF
0x0800
0x0000
0x0400
0x0001
0x0000
2
n
; ‘n’ = 12 for Single-Ended; ‘n’=11 for Differential.
Rev. 1.4
ADC0H:ADC0L
ADC0H:ADC0L
(AD0LJST = 1)
(AD0LJST = 1)
0xFFF0
0x7FF0
0x7FF0
0xFFF0
0xC000
0x8000
0x0000
0x4000
0x0010
0x0000
0x8000

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