C8051F020-TB Silicon Laboratories Inc, C8051F020-TB Datasheet - Page 13
![BOARD PROTOTYPING W/C8051F020](/photos/28/94/289414/tqfp-100_sml.jpg)
C8051F020-TB
Manufacturer Part Number
C8051F020-TB
Description
BOARD PROTOTYPING W/C8051F020
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F020-TB
Contents
Board
Processor To Be Evaluated
C8051F02x
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F020
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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18. SYSTEM MANAGEMENT BUS / I2C BUS (SMBUS0) .................................................183
19. SERIAL PERIPHERAL INTERFACE BUS (SPI0) ........................................................197
20. UART0 ..................................................................................................................................205
21. UART1 ..................................................................................................................................215
Figure 18.1. SMBus0 Block Diagram ...................................................................................183
Figure 18.2. Typical SMBus Configuration ..........................................................................184
Figure 18.3. SMBus Transaction ...........................................................................................185
Figure 18.4. Typical Master Transmitter Sequence...............................................................187
Figure 18.5. Typical Master Receiver Sequence ...................................................................187
Figure 18.6. Typical Slave Transmitter Sequence .................................................................188
Figure 18.7. Typical Slave Receiver Sequence .....................................................................188
Figure 18.8. SMB0CN: SMBus0 Control Register ...............................................................191
Figure 18.9. SMB0CR: SMBus0 Clock Rate Register ..........................................................192
Figure 18.10. SMB0DAT: SMBus0 Data Register ...............................................................193
Figure 18.11. SMB0ADR: SMBus0 Address Register..........................................................193
Figure 18.12. SMB0STA: SMBus0 Status Register..............................................................194
Table 18.1. SMB0STA Status Codes and States ..................................................................195
Figure 19.1. SPI Block Diagram............................................................................................197
Figure 19.2. Typical SPI Interconnection..............................................................................198
Figure 19.3. Full Duplex Operation.......................................................................................199
Figure 19.4. Data/Clock Timing Diagram .............................................................................200
Figure 19.5. SPI0CFG: SPI0 Configuration Register............................................................201
Figure 19.6. SPI0CN: SPI0 Control Register ........................................................................202
Figure 19.7. SPI0CKR: SPI0 Clock Rate Register ................................................................203
Figure 19.8. SPI0DAT: SPI0 Data Register ..........................................................................203
Figure 20.1. UART0 Block Diagram.....................................................................................205
Table 20.1. UART0 Modes ..................................................................................................206
Figure 20.2. UART0 Mode 0 Interconnect............................................................................206
Figure 20.3. UART0 Mode 0 Timing Diagram .....................................................................206
Figure 20.4. UART0 Mode 1 Timing Diagram .....................................................................207
Figure 20.5. UART Modes 2 and 3 Timing Diagram............................................................208
Figure 20.6. UART Modes 1, 2, and 3 Interconnect Diagram ..............................................209
Figure 20.7. UART Multi-Processor Mode Interconnect Diagram .......................................210
Table 20.2. Oscillator Frequencies for Standard Baud Rates...............................................212
Figure 20.8. SCON0: UART0 Control Register....................................................................213
Figure 20.9. SBUF0: UART0 Data Buffer Register..............................................................214
Figure 20.10. SADDR0: UART0 Slave Address Register ....................................................214
Figure 20.11. SADEN0: UART0 Slave Address Enable Register ........................................214
Figure 21.1. UART1 Block Diagram.....................................................................................215
Table 21.1. UART1 Modes ..................................................................................................216
Figure 21.2. UART1 Mode 0 Interconnect............................................................................216
Figure 21.3. UART1 Mode 0 Timing Diagram .....................................................................216
Figure 21.4. UART1 Mode 1 Timing Diagram .....................................................................217
Figure 21.5. UART Modes 2 and 3 Timing Diagram............................................................218
Figure 21.6. UART Modes 1, 2, and 3 Interconnect Diagram ..............................................219
Rev. 1.4
C8051F020/1/2/3
13
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