C8051F311 Silicon Laboratories Inc, C8051F311 Datasheet - Page 8

• Manufacturer Part Number: C8051F311
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F31xr

Specifications of C8051F311

• 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: 25
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 17x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F310/1/2/3/4/5/6/7
7. Comparators
8. CIP-51 Microcontroller
9. Reset Sources
10. Flash Memory
11. External RAM
12. Oscillators
13. Port Input/Output
14. SMBus
15. UART0
16. Enhanced Serial Peripheral Interface (SPI0)
8
Figure 7.1. Comparator0 Functional Block Diagram ................................................ 69
Figure 7.2. Comparator1 Functional Block Diagram ................................................ 70
Figure 7.3. Comparator Hysteresis Plot ................................................................... 71
Figure 8.1. CIP-51 Block Diagram............................................................................ 79
Figure 8.2. Memory Map .......................................................................................... 85
Figure 9.1. Reset Sources...................................................................................... 105
Figure 9.2. Power-On and V
Figure 10.1. Flash Program Memory Map.............................................................. 113
Figure 12.1. Oscillator Diagram.............................................................................. 121
Figure 12.2. 32.768 kHz External Crystal Example................................................ 126
Figure 13.1. Port I/O Functional Block Diagram ..................................................... 129
Figure 13.2. Port I/O Cell Block Diagram ............................................................... 130
Figure 13.3. Crossbar Priority Decoder with No Pins Skipped ............................... 131
Figure 13.4. Crossbar Priority Decoder with Crystal Pins Skipped ........................ 132
Figure 14.1. SMBus Block Diagram ....................................................................... 145
Figure 14.2. Typical SMBus Configuration ............................................................. 146
Figure 14.3. SMBus Transaction ............................................................................ 147
Figure 14.4. Typical SMBus SCL Generation......................................................... 151
Figure 14.5. Typical Master Transmitter Sequence................................................ 157
Figure 14.6. Typical Master Receiver Sequence.................................................... 158
Figure 14.7. Typical Slave Receiver Sequence...................................................... 159
Figure 14.8. Typical Slave Transmitter Sequence.................................................. 160
Figure 15.1. UART0 Block Diagram ....................................................................... 163
Figure 15.2. UART0 Baud Rate Logic .................................................................... 164
Figure 15.3. UART Interconnect Diagram .............................................................. 165
Figure 15.4. 8-Bit UART Timing Diagram............................................................... 165
Figure 15.5. 9-Bit UART Timing Diagram............................................................... 166
Figure 15.6. UART Multi-Processor Mode Interconnect Diagram .......................... 167
Figure 16.1. SPI Block Diagram ............................................................................. 173
Figure 16.2. Multiple-Master Mode Connection Diagram ....................................... 176
Figure 16.3. 3-Wire Single Master and Slave Mode Connection Diagram ............. 176
Figure 16.4. 4-Wire Single Master and Slave Mode Connection Diagram ............. 176
Figure 16.5. Master Mode Data/Clock Timing ........................................................ 178
Figure 16.6. Slave Mode Data/Clock Timing (CKPHA = 0) .................................... 179
Figure 16.7. Slave Mode Data/Clock Timing (CKPHA = 1) .................................... 179
DD
Monitor Reset Timing ........................................... 106
Rev. 1.7