C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 8

• Manufacturer Part Number: C8051F331
• Description: IC 8051 MCU 8K FLASH 20MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F33xr

Specifications of C8051F331

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

C8051F330/1, C8051F330D
6. 10-Bit Current Mode DAC (IDA0, C8051F330 and C8051F330D only)
7. Voltage Reference (C8051F330 and C8051F330D only)
8. Comparator0
9. CIP-51 Microcontroller
10. Reset Sources
8
Figure 5.15. ADC Window Compare Example: Right-Justified Single-Ended Data . 47
Figure 5.16. ADC Window Compare Example: Left-Justified Single-Ended Data.... 47
Figure 5.17. ADC Window Compare Example: Right-Justified Differential Data...... 48
Figure 5.18. ADC Window Compare Example: Left-Justified Differential Data ........ 48
Table 5.1. ADC0 Electrical Characteristics ............................................................. 49
Figure 6.1. IDA0 Functional Block Diagram ............................................................. 51
Figure 6.2. IDA0 Data Word Mapping ...................................................................... 52
Figure 6.3. IDA0CN: IDA0 Control Register ............................................................. 53
Figure 6.4. IDA0H: IDA0 Data Word MSB Register ................................................. 53
Figure 6.5. IDA0L: IDA0 Data Word LSB Register................................................... 54
Table 6.1. IDAC Electrical Characteristics .............................................................. 54
Figure 7.1. Voltage Reference Functional Block Diagram ....................................... 55
Figure 7.2. REF0CN: Reference Control Register ................................................... 56
Table 7.1. Voltage Reference Electrical Characteristics ......................................... 57
Figure 8.1. Comparator0 Functional Block Diagram ................................................ 59
Figure 8.2. Comparator Hysteresis Plot ................................................................... 60
Figure 8.3. CPT0CN: Comparator0 Control Register............................................... 61
Figure 8.4. CPT0MX: Comparator0 MUX Selection Register .................................. 62
Figure 8.5. CPT0MD: Comparator0 Mode Selection Register ................................. 63
Table 8.1. Comparator Electrical Characteristics.................................................... 64
Figure 9.1. CIP-51 Block Diagram............................................................................ 65
Table 9.1. CIP-51 Instruction Set Summary............................................................ 67
Figure 9.2. Memory Map .......................................................................................... 71
Table 9.2. Special Function Register (SFR) Memory Map...................................... 73
Table 9.3. Special Function Registers .................................................................... 73
Figure 9.3. DPL: Data Pointer Low Byte .................................................................. 76
Figure 9.4. DPH: Data Pointer High Byte ................................................................. 76
Figure 9.5. SP: Stack Pointer ................................................................................... 76
Figure 9.6. PSW: Program Status Word .................................................................. 77
Figure 9.7. ACC: Accumulator.................................................................................. 78
Figure 9.8. B: B Register .......................................................................................... 78
Table 9.4. Interrupt Summary ................................................................................. 81
Figure 9.9. IE: Interrupt Enable ................................................................................ 82
Figure 9.10. IP: Interrupt Priority .............................................................................. 83
Figure 9.11. EIE1: Extended Interrupt Enable 1....................................................... 84
Figure 9.12. EIP1: Extended Interrupt Priority 1....................................................... 85
Figure 9.13. IT01CF: INT0/INT1 Configuration Register .......................................... 86
Figure 9.14. PCON: Power Control Register............................................................ 88
Figure 10.1. Reset Sources...................................................................................... 89
Figure 10.2. Power-On and VDD Monitor Reset Timing .......................................... 90
Rev. 1.2