C8051F314R Silicon Labs, C8051F314R Datasheet - Page 4

• Manufacturer Part Number: C8051F314R
• Description: 8-bit Microcontrollers - MCU 8KB 10ADC
• Manufacturer: Silicon Labs

Specifications of C8051F314R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 1.25 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Package / Case: LQFP-32
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 17
• Data Rom Size: 128 B
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 29
• Number Of Timers: 5
• On-chip Dac: No
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 500
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V

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