C8051F312-GQ Silicon Laboratories Inc, C8051F312-GQ Datasheet - Page 4
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C8051F312-GQ
Manufacturer Part Number
C8051F312-GQ
Description
IC 8051 MCU 8K FLASH 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F31xr
Specifications of C8051F312-GQ
Program Memory Type
FLASH
Program Memory Size
8KB (8K x 8)
Package / Case
32-LQFP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
29
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 21x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
1.25 KB
Interface Type
I2C, SMBus, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
29
Number Of Timers
4 bit
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
C8051F310DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 21 Channel
No. Of I/o's
29
Ram Memory Size
1280Byte
Cpu Speed
25MHz
No. Of Timers
4
Rohs Compliant
Yes
Package
32LQFP
Device Core
8051
Family Name
C8051F31x
Maximum Speed
25 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1445 - ADAPTER PROGRAM TOOLSTICK F310
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1255
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F312-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F312-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
C8051F310/1/2/3/4/5/6/7
9. Reset Sources....................................................................................................... 105
10. Flash Memory ..................................................................................................... 111
11. External RAM ........................................................................................................ 119
12. Oscillators ............................................................................................................. 121
13. Port Input/Output ................................................................................................ 129
14. SMBus ................................................................................................................... 145
4
8.4. Power Management Modes ............................................................................ 102
9.1. Power-On Reset ............................................................................................. 106
9.2. Power-Fail Reset / V
9.3. External Reset ................................................................................................ 107
9.4. Missing Clock Detector Reset......................................................................... 108
9.5. Comparator0 Reset......................................................................................... 108
9.6. PCA Watchdog Timer Reset........................................................................... 108
9.7. Flash Error Reset............................................................................................ 108
9.8. Software Reset ............................................................................................... 108
10.1.Programming The Flash Memory ................................................................... 111
10.2.Non-volatile Data Storage .............................................................................. 112
10.3.Security Options ............................................................................................. 113
10.4.Flash Write and Erase Guidelines .................................................................. 115
12.1.Programmable Internal Oscillator ................................................................... 121
12.2.External Oscillator Drive Circuit...................................................................... 124
12.3.System Clock Selection.................................................................................. 124
12.4.External Crystal Example ............................................................................... 126
12.5.External RC Example ..................................................................................... 127
12.6.External Capacitor Example ........................................................................... 127
13.1.Priority Crossbar Decoder .............................................................................. 131
13.2.Port I/O Initialization ....................................................................................... 133
13.3.General Purpose Port I/O ............................................................................... 135
14.1.Supporting Documents ................................................................................... 146
14.2.SMBus Configuration...................................................................................... 146
14.3.SMBus Operation ........................................................................................... 146
8.3.4. Interrupt Latency ...................................................................................... 95
8.3.5. Interrupt Register Descriptions................................................................. 97
8.4.1. Idle Mode................................................................................................ 102
8.4.2. Stop Mode .............................................................................................. 103
10.1.1.Flash Lock and Key Functions ............................................................... 111
10.1.2.Flash Erase Procedure .......................................................................... 111
10.1.3.Flash Write Procedure ........................................................................... 112
10.4.1.V
10.4.2.PSWE Maintenance ............................................................................... 115
10.4.3.System Clock ......................................................................................... 116
14.3.1.Arbitration............................................................................................... 147
14.3.2.Clock Low Extension.............................................................................. 148
14.3.3.SCL Low Timeout................................................................................... 148
14.3.4.SCL High (SMBus Free) Timeout .......................................................... 148
DD
Maintenance and the V
DD
Monitor...................................................................... 106
Rev. 1.7
DD
Monitor ................................................. 115