C8051T322-GQR Silicon Labs, C8051T322-GQR Datasheet - Page 5

• Manufacturer Part Number: C8051T322-GQR
• Description: 8-bit Microcontrollers - MCU USB-OTP-16K-LQFP32
• Manufacturer: Silicon Labs

Specifications of C8051T322-GQR

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

22. Port Input/Output ................................................................................................. 133
23. Universal Serial Bus Controller (USB0) ............................................................. 155
24. SMBus................................................................................................................... 188
21.6. External Oscillator Drive Circuit..................................................................... 129
22.1. Port I/O Modes of Operation.......................................................................... 134
22.2. Assigning Port I/O Pins to Analog and Digital Functions............................... 135
22.3. Priority Crossbar Decoder ............................................................................. 137
22.4. Port I/O Initialization ...................................................................................... 141
22.5. Port Match ..................................................................................................... 144
22.6. Special Function Registers for Accessing and Configuring Port I/O ............. 146
23.1. Endpoint Addressing ..................................................................................... 155
23.2. USB Transceiver ........................................................................................... 156
23.3. USB Register Access .................................................................................... 158
23.4. USB Clock Configuration............................................................................... 162
23.5. FIFO Management ........................................................................................ 163
23.6. Function Addressing...................................................................................... 166
23.7. Function Configuration and Control............................................................... 166
23.8. Interrupts ....................................................................................................... 169
23.9. The Serial Interface Engine ........................................................................... 175
23.10. Endpoint0 .................................................................................................... 175
23.11. Configuring Endpoints1-3 ............................................................................ 179
23.12. Controlling Endpoints1-3 IN......................................................................... 180
23.13. Controlling Endpoints1-3 OUT..................................................................... 183
24.1. Supporting Documents .................................................................................. 189
24.2. SMBus Configuration..................................................................................... 189
24.3. SMBus Operation .......................................................................................... 189
21.6.1. External Crystal Mode........................................................................... 129
21.6.2. External RC Example............................................................................ 131
21.6.3. External Capacitor Example.................................................................. 131
22.1.1. Port Pins Configured for Analog I/O...................................................... 134
22.1.2. Port Pins Configured For Digital I/O...................................................... 134
22.1.3. Interfacing Port I/O to 5V Logic ............................................................. 135
22.2.1. Assigning Port I/O Pins to Analog Functions ........................................ 135
22.2.2. Assigning Port I/O Pins to Digital Functions.......................................... 135
22.2.3. Assigning Port I/O Pins to External Digital Event Capture Functions ... 136
23.5.1. FIFO Split Mode .................................................................................... 164
23.5.2. FIFO Double Buffering .......................................................................... 164
23.5.1. FIFO Access ......................................................................................... 165
23.10.1. Endpoint0 SETUP Transactions ......................................................... 176
23.10.2. Endpoint0 IN Transactions.................................................................. 176
23.10.3. Endpoint0 OUT Transactions.............................................................. 177
23.12.1. Endpoints1-3 IN Interrupt or Bulk Mode.............................................. 180
23.12.2. Endpoints1-3 IN Isochronous Mode.................................................... 181
23.13.1. Endpoints1-3 OUT Interrupt or Bulk Mode.......................................... 184
23.13.2. Endpoints1-3 OUT Isochronous Mode................................................ 184
C8051T620/621/320/321/322/323
Rev. 1.1
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