C8051F709-GQR Silicon Labs, C8051F709-GQR Datasheet - Page 6

• Manufacturer Part Number: C8051F709-GQR
• Description: 8-bit Microcontrollers - MCU 8kB 32B EEPROM Cap Sense
• Manufacturer: Silicon Labs

Specifications of C8051F709-GQR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051F70x/71x
29. Cyclic Redundancy Check Unit (CRC0)............................................................. 211
30. SMBus................................................................................................................... 219
31. Enhanced Serial Peripheral Interface (SPI0) ..................................................... 241
6
28.3. Priority Crossbar Decoder ............................................................................. 185
28.4. Port I/O Initialization ...................................................................................... 189
28.5. Port Match ..................................................................................................... 192
28.6. Special Function Registers for Accessing and Configuring Port I/O ............. 194
29.1. 16-bit CRC Algorithm..................................................................................... 212
29.2. 32-bit CRC Algorithm..................................................................................... 213
29.3. Preparing for a CRC Calculation ................................................................... 214
29.4. Performing a CRC Calculation ...................................................................... 214
29.5. Accessing the CRC0 Result .......................................................................... 214
29.6. CRC0 Bit Reverse Feature............................................................................ 218
30.1. Supporting Documents .................................................................................. 220
30.2. SMBus Configuration..................................................................................... 220
30.3. SMBus Operation .......................................................................................... 220
30.4. Using the SMBus........................................................................................... 222
30.5. SMBus Transfer Modes................................................................................. 232
30.6. SMBus Status Decoding................................................................................ 235
31.1. Signal Descriptions........................................................................................ 242
31.2. SPI0 Master Mode Operation ........................................................................ 242
31.3. SPI0 Slave Mode Operation .......................................................................... 244
31.4. SPI0 Interrupt Sources .................................................................................. 245
28.2.1. Assigning Port I/O Pins to Analog Functions ........................................ 182
28.2.2. Assigning Port I/O Pins to Digital Functions.......................................... 184
28.2.3. Assigning Port I/O Pins to External Event Trigger Functions................ 184
30.3.1. Transmitter Vs. Receiver....................................................................... 221
30.3.2. Arbitration.............................................................................................. 221
30.3.3. Clock Low Extension............................................................................. 221
30.3.4. SCL Low Timeout.................................................................................. 221
30.3.5. SCL High (SMBus Free) Timeout ......................................................... 222
30.4.1. SMBus Configuration Register.............................................................. 222
30.4.2. SMB0CN Control Register .................................................................... 226
30.4.3. Hardware Slave Address Recognition .................................................. 228
30.4.4. Data Register ........................................................................................ 231
30.5.1. Write Sequence (Master) ...................................................................... 232
30.5.2. Read Sequence (Master) ...................................................................... 233
30.5.3. Write Sequence (Slave) ........................................................................ 234
30.5.4. Read Sequence (Slave) ........................................................................ 235
31.1.1. Master Out, Slave In (MOSI)................................................................. 242
31.1.2. Master In, Slave Out (MISO)................................................................. 242
31.1.3. Serial Clock (SCK) ................................................................................ 242
31.1.4. Slave Select (NSS) ............................................................................... 242
30.4.2.1. Software ACK Generation ............................................................ 226
30.4.2.2. Hardware ACK Generation ........................................................... 226
Rev. 1.0