C8051F321-GM Silicon Laboratories Inc, C8051F321-GM Datasheet - Page 5

• Manufacturer Part Number: C8051F321-GM
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F321-GM

• Program Memory Type: FLASH
• Program Memory Size: 16KB (16K x 8)
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 21
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: I2C/SMBus/SPI/UART/USB
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F320DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 10-bit or 17-ch x 10-bit
• No. Of I/o's: 21
• Ram Memory Size: 1280Byte
• Cpu Speed: 25MHz
• No. Of Timers: 4
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1480 - DAUGHTER CARD TOOLSTCK C8051F321770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1449 - ADAPTER PROGRAM TOOLSTICK F321336-1260 - DEV KIT FOR C8051F320/F321
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1261

14. Port Input/Output ................................................................................................ 126
15. Universal Serial Bus Controller (USB)................................................................ 139
16. SMBus ................................................................................................................... 169
14.1.Priority Crossbar Decoder .............................................................................. 128
14.2.Port I/O Initialization ....................................................................................... 130
14.3.General Purpose Port I/O ............................................................................... 132
15.1.Endpoint Addressing ...................................................................................... 140
15.2.USB Transceiver ............................................................................................ 140
15.3.USB Register Access ..................................................................................... 142
15.4.USB Clock Configuration................................................................................ 146
15.5.FIFO Management ......................................................................................... 147
15.6.Function Addressing....................................................................................... 149
15.7.Function Configuration and Control................................................................ 149
15.8.Interrupts ........................................................................................................ 152
15.9.The Serial Interface Engine ............................................................................ 157
15.10.Endpoint0 ..................................................................................................... 157
15.11.Configuring Endpoints1–3 ............................................................................ 161
15.12.Controlling Endpoints1–3 IN......................................................................... 161
15.13.Controlling Endpoints1–3 OUT..................................................................... 164
16.1.Supporting Documents ................................................................................... 170
16.2.SMBus Configuration...................................................................................... 170
16.3.SMBus Operation ........................................................................................... 170
16.4.Using the SMBus............................................................................................ 172
16.5.SMBus Transfer Modes.................................................................................. 180
13.4.1.System Clock Selection ......................................................................... 123
13.4.2.USB Clock Selection .............................................................................. 123
15.5.1.FIFO Split Mode ..................................................................................... 147
15.5.2.FIFO Double Buffering ........................................................................... 148
15.5.3.FIFO Access .......................................................................................... 148
15.10.1.Endpoint0 SETUP Transactions .......................................................... 158
15.10.2.Endpoint0 IN Transactions................................................................... 158
15.10.3.Endpoint0 OUT Transactions............................................................... 159
15.12.1.Endpoints1-3 IN Interrupt or Bulk Mode............................................... 161
15.12.2.Endpoints1-3 IN Isochronous Mode..................................................... 162
15.13.1.Endpoints1-3 OUT Interrupt or Bulk Mode........................................... 164
15.13.2.Endpoints1-3 OUT Isochronous Mode................................................. 165
16.3.1.Arbitration............................................................................................... 171
16.3.2.Clock Low Extension.............................................................................. 171
16.3.3.SCL Low Timeout................................................................................... 171
16.3.4.SCL High (SMBus Free) Timeout .......................................................... 172
16.4.1.SMBus Configuration Register............................................................... 173
16.4.2.SMB0CN Control Register ..................................................................... 176
16.4.3.Data Register ......................................................................................... 179
16.5.1.Master Transmitter Mode ....................................................................... 180
16.5.2.Master Receiver Mode ........................................................................... 181
Rev. 1.4
C8051F320/1
5