C8051F302 Silicon Laboratories Inc, C8051F302 Datasheet - Page 10

• Manufacturer Part Number: C8051F302
• Description: IC 8051 MCU 8K FLASH 11MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F30xr

Specifications of C8051F302

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 8
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 11-VQFN
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: I2C, SMBus, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 8
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No

C8051F300/1/2/3/4/5
16. PROGRAMMABLE COUNTER ARRAY
17. C2 INTERFACE
10
Figure 15.1. T0 Mode 0 Block Diagram................................................................................134
Figure 15.2. T0 Mode 2 Block Diagram................................................................................135
Figure 15.3. T0 Mode 3 Block Diagram................................................................................136
Figure 15.4. TCON: Timer Control Register.........................................................................137
Figure 15.5. TMOD: Timer Mode Register...........................................................................138
Figure 15.6. CKCON: Clock Control Register......................................................................139
Figure 15.7. TL0: Timer 0 Low Byte ....................................................................................140
Figure 15.8. TL1: Timer 1 Low Byte ....................................................................................140
Figure 15.9. TH0: Timer 0 High Byte ...................................................................................140
Figure 15.10. TH1: Timer 1 High Byte .................................................................................140
Figure 15.11. Timer 2 16-Bit Mode Block Diagram .............................................................141
Figure 15.12. Timer 2 8-Bit Mode Block Diagram ...............................................................142
Figure 15.13. TMR2CN: Timer 2 Control Register ..............................................................143
Figure 15.14. TMR2RLL: Timer 2 Reload Register Low Byte ............................................144
Figure 15.15. TMR2RLH: Timer 2 Reload Register High Byte ...........................................144
Figure 15.16. TMR2L: Timer 2 Low Byte ............................................................................144
Figure 15.17. TMR2H Timer 2 High Byte ............................................................................144
Figure 16.1. PCA Block Diagram..........................................................................................145
Figure 16.2. PCA Counter/Timer Block Diagram .................................................................146
Table 16.1. PCA Timebase Input Options............................................................................146
Figure 16.3. PCA Interrupt Block Diagram...........................................................................147
Table 16.2. PCA0CPM Register Settings for PCA Capture/Compare Modules..................147
Figure 16.4. PCA Capture Mode Diagram ............................................................................148
Figure 16.5. PCA Software Timer Mode Diagram................................................................149
Figure 16.6. PCA High Speed Output Mode Diagram ..........................................................150
Figure 16.7. PCA Frequency Output Mode ...........................................................................151
Figure 16.8. PCA 8-Bit PWM Mode Diagram ......................................................................153
Figure 16.9. PCA 16-Bit PWM Mode ...................................................................................154
Figure 16.10. PCA Module 2 with Watchdog Timer Enabled ..............................................156
Table 16.3. Watchdog Timer Timeout Intervals† ................................................................157
Figure 16.11. PCA0CN: PCA Control Register ....................................................................158
Figure 16.12. PCA0MD: PCA Mode Register ......................................................................159
Figure 16.13. PCA0CPMn: PCA Capture/Compare Mode Registers ...................................160
Figure 16.14. PCA0L: PCA Counter/Timer Low Byte .........................................................161
Figure 16.15. PCA0H: PCA Counter/Timer High Byte ........................................................161
Figure 16.16. PCA0CPLn: PCA Capture Module Low Byte ................................................162
Figure 16.17. PCA0CPHn: PCA Capture Module High Byte ...............................................162
Figure 17.1. C2ADD: C2 Address Register ..........................................................................163
Figure 17.2. DEVICEID: C2 Device ID Register .................................................................163
Figure 17.3. REVID: C2 Revision ID Register .....................................................................164
Figure 17.4. FPCTL: C2 FLASH Programming Control Register ........................................164
Figure 17.5. FPDAT: C2 FLASH Programming Data Register ............................................164
Figure 17.6. Typical C2 Pin Sharing .....................................................................................165
Rev. 2.3