C8051F021-GQ Silicon Laboratories Inc, C8051F021-GQ Datasheet - Page 4

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
C8051F020/1/2/3
10. VOLTAGE REFERENCE (C8051F021/3)..........................................................................93
11. COMPARATORS..................................................................................................................95
12. CIP-51 MICROCONTROLLER........................................................................................101
13. RESET SOURCES ..............................................................................................................127
14. OSCILLATORS...................................................................................................................135
15. FLASH MEMORY ..............................................................................................................139
16. EXTERNAL DATA MEMORY INTERFACE AND ON-CHIP XRAM.......................145
4
12.1.Instruction Set................................................................................................................102
12.2.Memory Organization ...................................................................................................107
12.3. Interrupt Handler ...........................................................................................................116
12.4. Power Management Modes ...........................................................................................125
13.1.Power-on Reset..............................................................................................................128
13.2.Power-fail Reset ............................................................................................................128
13.3.External Reset................................................................................................................129
13.4. Software Forced Reset...................................................................................................129
13.5.Missing Clock Detector Reset .......................................................................................129
13.6.Comparator0 Reset ........................................................................................................129
13.7.External CNVSTR Pin Reset.........................................................................................129
13.8. Watchdog Timer Reset ..................................................................................................129
14.1. External Crystal Example..............................................................................................138
14.2.External RC Example ....................................................................................................138
14.3. External Capacitor Example..........................................................................................138
15.1.Programming The FLASH Memory .............................................................................139
15.2.Non-volatile Data Storage .............................................................................................140
15.3.Security Options ............................................................................................................140
12.1.1. Instruction and CPU Timing................................................................................102
12.1.2. MOVX Instruction and Program Memory...........................................................102
12.2.1. Program Memory .................................................................................................107
12.2.2. Data Memory .......................................................................................................108
12.2.3. General Purpose Registers ...................................................................................108
12.2.4. Bit Addressable Locations ...................................................................................108
12.2.5. Stack .................................................................................................................108
12.2.6. Special Function Registers...................................................................................109
12.2.7. Register Descriptions ...........................................................................................113
12.3.1. MCU Interrupt Sources and Vectors ...................................................................116
12.3.2. External Interrupts ...............................................................................................116
12.3.3. Interrupt Priorities................................................................................................118
12.3.4. Interrupt Latency..................................................................................................118
12.3.5. Interrupt Register Descriptions ............................................................................119
12.4.1. Idle Mode .............................................................................................................125
12.4.2. Stop Mode............................................................................................................125
13.8.1. Enable/Reset WDT ..............................................................................................130
13.8.2. Disable WDT .......................................................................................................130
13.8.3. Disable WDT Lockout.........................................................................................130
13.8.4. Setting WDT Interval...........................................................................................130
Rev. 1.4

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