C8051F901-GU Silicon Laboratories Inc, C8051F901-GU Datasheet - Page 7

• Manufacturer Part Number: C8051F901-GU
• Description: IC MCU 8BIT 8KB FLASH 24QSOP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F9xxr

Specifications of C8051F901-GU

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 24-QSOP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 3.6 V
• Data Converters: A/D 15x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F9x
• Core: 8051
• Data Ram Size: 768 B
• Interface Type: UART
• Maximum Clock Frequency: 25 MHz
• Number Of Timers: 4
• Operating Supply Voltage: 0.9 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: C8051F912DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Package: 24QSOP
• Device Core: 8051
• Family Name: C8051F90x
• Maximum Speed: 25 MHz
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1847-5

23. UART0.................................................................................................................... 247
24. Enhanced Serial Peripheral Interface (SPI0 and SPI1)...................................... 255
25. Timers.................................................................................................................... 270
22.3.SMBus Operation ........................................................................................... 227
22.4.Using the SMBus............................................................................................ 229
22.5.SMBus Transfer Modes.................................................................................. 239
22.6.SMBus Status Decoding................................................................................. 242
23.1.Enhanced Baud Rate Generation................................................................... 248
23.2.Operational Modes ......................................................................................... 249
23.3.Multiprocessor Communications .................................................................... 250
24.1.Signal Descriptions......................................................................................... 256
24.2.SPI Master Mode Operation ........................................................................... 257
24.3.SPI Slave Mode Operation ............................................................................. 259
24.4.SPI Interrupt Sources ..................................................................................... 259
24.5.Serial Clock Phase and Polarity ..................................................................... 260
24.6.SPI Special Function Registers ...................................................................... 262
25.1.Timer 0 and Timer 1 ....................................................................................... 272
25.2.Timer 2 .......................................................................................................... 280
25.3.Timer 3 .......................................................................................................... 286
22.3.1.Transmitter Vs. Receiver........................................................................ 227
22.3.2.Arbitration............................................................................................... 227
22.3.3.Clock Low Extension.............................................................................. 228
22.3.4.SCL Low Timeout................................................................................... 228
22.3.5.SCL High (SMBus Free) Timeout .......................................................... 228
22.4.1.SMBus Configuration Register............................................................... 230
22.4.2.SMB0CN Control Register ..................................................................... 233
22.4.3.Hardware Slave Address Recognition ................................................... 236
22.4.4.Data Register ......................................................................................... 238
22.5.1.Write Sequence (Master) ....................................................................... 239
22.5.2.Read Sequence (Master) ....................................................................... 240
22.5.3.Write Sequence (Slave) ......................................................................... 241
22.5.4.Read Sequence (Slave) ......................................................................... 242
23.2.1.8-Bit UART ............................................................................................. 249
23.2.2.9-Bit UART ............................................................................................. 250
24.1.1.Master Out, Slave In (MOSI).................................................................. 256
24.1.2.Master In, Slave Out (MISO).................................................................. 256
24.1.3.Serial Clock (SCK) ................................................................................. 256
24.1.4.Slave Select (NSS) ................................................................................ 256
25.1.1.Mode 0: 13-bit Counter/Timer ................................................................ 272
25.1.2.Mode 1: 16-bit Counter/Timer ................................................................ 273
25.1.3.Mode 2: 8-bit Counter/Timer with Auto-Reload...................................... 274
25.1.4.Mode 3: Two 8-bit Counter/Timers (Timer 0 Only)................................. 275
25.2.1.16-bit Timer with Auto-Reload................................................................ 280
25.2.2.8-bit Timers with Auto-Reload................................................................ 281
25.2.3.Comparator 0/SmaRTClock Capture Mode ........................................... 282
Rev. 1.0
C8051F91x-C8051F90x
7