C8051F819-GM Silicon Laboratories Inc, C8051F819-GM Datasheet - Page 5

• Manufacturer Part Number: C8051F819-GM
• Description: IC MCU 8BIT 8KB FLASH 20QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F81xr

Specifications of C8051F819-GM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Cap Sense, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• Processor Series: C8051F8x
• Core: 8051
• Data Bus Width: 16 bit
• Data Ram Size: 512 B
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F800DK
• Minimum Operating Temperature: - 55 C
• Package: 20QFN EP
• Device Core: 8051
• Family Name: C8051F8xx
• Maximum Speed: 25 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1799-5

24. Cyclic Redundancy Check Unit (CRC0)............................................................. 159
25. Enhanced Serial Peripheral Interface (SPI0) ..................................................... 167
26. SMBus................................................................................................................... 180
23.1. Port I/O Modes of Operation.......................................................................... 139
23.2. Assigning Port I/O Pins to Analog and Digital Functions............................... 140
23.3. Priority Crossbar Decoder ............................................................................. 143
23.4. Port I/O Initialization ...................................................................................... 147
23.5. Port Match ..................................................................................................... 150
23.6. Special Function Registers for Accessing and Configuring Port I/O ............. 152
24.1. 16-bit CRC Algorithm..................................................................................... 160
24.2. 32-bit CRC Algorithm..................................................................................... 161
24.3. Preparing for a CRC Calculation ................................................................... 162
24.4. Performing a CRC Calculation ...................................................................... 162
24.5. Accessing the CRC0 Result .......................................................................... 162
24.6. CRC0 Bit Reverse Feature............................................................................ 166
25.1. Signal Descriptions........................................................................................ 168
25.2. SPI0 Master Mode Operation ........................................................................ 168
25.3. SPI0 Slave Mode Operation .......................................................................... 170
25.4. SPI0 Interrupt Sources .................................................................................. 171
25.5. Serial Clock Phase and Polarity .................................................................... 171
25.6. SPI Special Function Registers ..................................................................... 173
26.1. Supporting Documents .................................................................................. 181
26.2. SMBus Configuration..................................................................................... 181
26.3. SMBus Operation .......................................................................................... 181
26.4. Using the SMBus........................................................................................... 183
23.1.1. Port Pins Configured for Analog I/O...................................................... 139
23.1.2. Port Pins Configured For Digital I/O...................................................... 139
23.1.3. Interfacing Port I/O to 5 V Logic ............................................................ 140
23.2.1. Assigning Port I/O Pins to Analog Functions ........................................ 140
23.2.2. Assigning Port I/O Pins to Digital Functions.......................................... 141
23.2.3. Assigning Port I/O Pins to External Digital Event Capture Functions ... 142
25.1.1. Master Out, Slave In (MOSI)................................................................. 168
25.1.2. Master In, Slave Out (MISO)................................................................. 168
25.1.3. Serial Clock (SCK) ................................................................................ 168
25.1.4. Slave Select (NSS) ............................................................................... 168
26.3.1. Transmitter Vs. Receiver....................................................................... 182
26.3.2. Arbitration.............................................................................................. 182
26.3.3. Clock Low Extension............................................................................. 182
26.3.4. SCL Low Timeout.................................................................................. 182
26.3.5. SCL High (SMBus Free) Timeout ......................................................... 183
26.4.1. SMBus Configuration Register.............................................................. 183
26.4.2. SMB0CN Control Register .................................................................... 187
26.4.3. Hardware Slave Address Recognition .................................................. 189
26.4.2.1. Software ACK Generation ............................................................ 187
26.4.2.2. Hardware ACK Generation ........................................................... 187
Rev. 1.0
C8051F80x-83x
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