C8051F331-GM Silicon Laboratories Inc, C8051F331-GM Datasheet - Page 4
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C8051F331-GM
Manufacturer Part Number
C8051F331-GM
Description
IC 8051 MCU 8K FLASH 20QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Specifications of C8051F331-GM
Program Memory Type
FLASH
Program Memory Size
8KB (8K x 8)
Package / Case
20-QFN
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
17
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
I2C/SMBus/SPI/UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
17
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
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F330DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
No. Of I/o's
17
Ram Memory Size
768Byte
Cpu Speed
25MHz
No. Of Timers
4
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1451 - ADAPTER PROGRAM TOOLSTICK F330336-1264 - DEV KIT FOR C8051F330/F331
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1265
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F331-GM
Manufacturer:
SiliconL
Quantity:
1 630
Part Number:
C8051F331-GM
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Part Number:
C8051F331-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
C8051F330/1/2/3/4/5
10. Reset Sources......................................................................................................... 97
11. Flash Memory ....................................................................................................... 103
12. External RAM ........................................................................................................ 111
13. Oscillators ............................................................................................................. 113
14. Port Input/Output.................................................................................................. 123
4
9.3. Interrupt Handler ............................................................................................... 85
9.4. Power Management Modes .............................................................................. 94
10.1.Power-On Reset ............................................................................................... 98
10.2.Power-Fail Reset/VDD Monitor ........................................................................ 98
10.3.External Reset .................................................................................................. 99
10.4.Missing Clock Detector Reset .......................................................................... 99
10.5.Comparator0 Reset ........................................................................................ 100
10.6.PCA Watchdog Timer Reset .......................................................................... 100
10.7.Flash Error Reset ........................................................................................... 100
10.8.Software Reset ............................................................................................... 100
11.1.Programming The Flash Memory ................................................................... 103
11.2.Non-volatile Data Storage .............................................................................. 104
11.3.Security Options ............................................................................................. 105
11.4.Flash Write and Erase Guidelines .................................................................. 107
13.1.Programmable Internal High-Frequency (H-F) Oscillator ............................... 113
13.2.Programmable Internal Low-Frequency (L-F) Oscillator ................................ 115
13.3.External Oscillator Drive Circuit...................................................................... 116
13.4.System Clock Selection.................................................................................. 121
14.1.Priority Crossbar Decoder .............................................................................. 125
14.2.Port I/O Initialization ....................................................................................... 127
9.2.5. Stack ....................................................................................................... 78
9.2.6. Special Function Registers....................................................................... 79
9.2.7. Register Descriptions ............................................................................... 83
9.3.1. MCU Interrupt Sources and Vectors ........................................................ 86
9.3.2. External Interrupts .................................................................................... 87
9.3.3. Interrupt Priorities ..................................................................................... 87
9.3.4. Interrupt Latency ...................................................................................... 87
9.3.5. Interrupt Register Descriptions................................................................. 89
9.4.1. Idle Mode.................................................................................................. 94
9.4.2. Stop Mode ................................................................................................ 95
11.1.1.Flash Lock and Key Functions ............................................................... 103
11.1.2.Flash Erase Procedure .......................................................................... 103
11.1.3.Flash Write Procedure ........................................................................... 104
11.4.1.V
11.4.2.PSWE Maintenance ............................................................................... 107
11.4.3.System Clock ......................................................................................... 108
13.2.1.Calibrating the Internal L-F Oscillator..................................................... 115
13.3.1.External Crystal Example....................................................................... 118
13.3.2.External RC Example............................................................................. 120
13.3.3.External Capacitor Example................................................................... 120
DD
Maintenance and the V
Rev. 1.7
DD
monitor ................................................. 107