C8051F336_08 Datasheet, PDF (8/227 Pages) Silicon Laboratories – Mixed-Signal Byte-Programmable EPROM MCU

C8051F336/7/8/9
15. Interrupts
16. Flash Memory
Figure 16.1. Security Byte Decoding ....................................................................... 93
17. Reset Sources
Figure 17.1. Reset Sources ................................................................................... 100
Figure 17.2. Power-On and VDD Monitor Reset Timing ....................................... 101
18. Power Management Modes
19. Oscillators and Clock Selection
Figure 19.1. Oscillator Options .............................................................................. 109
Figure 19.2. External 32.768 kHz Quartz Crystal Oscillator Connection Diagram 117
20. Port Input/Output
Figure 20.1. Port I/O Functional Block Diagram .................................................... 119
Figure 20.2. Port I/O Cell Block Diagram .............................................................. 121
Figure 20.3. Port I/O Overdrive Current ................................................................ 121
Figure 20.4. Crossbar Priority Decoder - Possible Pin Assignments .................... 124
Figure 20.5. Crossbar Priority Decoder Example .................................................. 125
21. SMBus
Figure 21.1. SMBus Block Diagram ...................................................................... 138
Figure 21.2. Typical SMBus Configuration ............................................................ 139
Figure 21.3. SMBus Transaction ........................................................................... 140
Figure 21.4. Typical SMBus SCL Generation ........................................................ 142
Figure 21.5. Typical Master Write Sequence ........................................................ 151
Figure 21.6. Typical Master Read Sequence ........................................................ 152
Figure 21.7. Typical Slave Write Sequence .......................................................... 153
Figure 21.8. Typical Slave Read Sequence .......................................................... 154
22. UART0
Figure 22.1. UART0 Block Diagram ...................................................................... 159
Figure 22.2. UART0 Baud Rate Logic ................................................................... 160
Figure 22.3. UART Interconnect Diagram ............................................................. 161
Figure 22.4. 8-Bit UART Timing Diagram .............................................................. 161
Figure 22.5. 9-Bit UART Timing Diagram .............................................................. 162
Figure 22.6. UART Multi-Processor Mode Interconnect Diagram ......................... 163
23. Enhanced Serial Peripheral Interface (SPI0)
Figure 23.1. SPI Block Diagram ............................................................................ 167
Figure 23.2. Multiple-Master Mode Connection Diagram ...................................... 169
Figure 23.3. 3-Wire Single Master and 3-Wire Single Slave Mode Connection Diagram
170
Figure 23.4. 4-Wire Single Master Mode and 4-Wire Slave Mode Connection Diagram
170
Figure 23.5. Master Mode Data/Clock Timing ....................................................... 172
Figure 23.6. Slave Mode Data/Clock Timing (CKPHA = 0) ................................... 172
Figure 23.7. Slave Mode Data/Clock Timing (CKPHA = 1) ................................... 173
Figure 23.8. SPI Master Timing (CKPHA = 0) ....................................................... 177
Figure 23.9. SPI Master Timing (CKPHA = 1) ....................................................... 177
Figure 23.10. SPI Slave Timing (CKPHA = 0) ....................................................... 178
8
Rev.1.0