DTMFDECODER-RD Silicon Laboratories Inc, DTMFDECODER-RD Datasheet - Page 3
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DTMFDECODER-RD
Manufacturer Part Number
DTMFDECODER-RD
Description
KIT REF DESIGN DTMF DECODER
Manufacturer
Silicon Laboratories Inc
Specifications of DTMFDECODER-RD
Mfg Application Notes
DTMF Decoder Ref Design AppNote
Main Purpose
Telecom, DTMF Decoder
Embedded
No
Utilized Ic / Part
C8051F300
Primary Attributes
8kHz Sampling Rate ADC
Secondary Attributes
16 Goertzel Filters
Processor To Be Evaluated
C8051F300
Interface Type
RS-232
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
336-1283
Table of Contents
1. System Overview.................................................................................................... 13
2. Absolute Maximum Ratings .................................................................................. 24
3. Global Electrical Characteristics .......................................................................... 25
4. Pinout and Package Definitions............................................................................ 27
5. ADC0 (8-Bit ADC, C8051F300/2)............................................................................ 35
6. Voltage Reference (C8051F300/2) ......................................................................... 49
7. Comparator0 ........................................................................................................... 51
8. CIP-51 Microcontroller ........................................................................................... 57
1.1. CIP-51™ Microcontroller Core.......................................................................... 16
1.2. On-Chip Memory............................................................................................... 18
1.3. On-Chip Debug Circuitry................................................................................... 19
1.4. Programmable Digital I/O and Crossbar ........................................................... 19
1.5. Serial Ports ....................................................................................................... 20
1.6. Programmable Counter Array ........................................................................... 21
1.7. 8-Bit Analog to Digital Converter (C8051F300/2 Only) ..................................... 22
1.8. Comparator ....................................................................................................... 23
5.1. Analog Multiplexer and PGA............................................................................. 36
5.2. Temperature Sensor ......................................................................................... 36
5.3. Modes of Operation .......................................................................................... 39
5.4. Programmable Window Detector ...................................................................... 45
8.1. Instruction Set ................................................................................................... 58
8.2. Memory Organization........................................................................................ 63
8.3. Interrupt Handler ............................................................................................... 72
1.1.1. Fully 8051 Compatible.............................................................................. 16
1.1.2. Improved Throughput ............................................................................... 16
1.1.3. Additional Features .................................................................................. 17
5.3.1. Starting a Conversion............................................................................... 39
5.3.2. Tracking Modes........................................................................................ 40
5.3.3. Settling Time Requirements ..................................................................... 41
5.4.1. Window Detector In Single-Ended Mode ................................................. 45
5.4.2. Window Detector In Differential Mode...................................................... 46
8.1.1. Instruction and CPU Timing ..................................................................... 58
8.1.2. MOVX Instruction and Program Memory ................................................. 59
8.2.1. Program Memory...................................................................................... 63
8.2.2. Data Memory............................................................................................ 64
8.2.3. General Purpose Registers ...................................................................... 64
8.2.4. Bit Addressable Locations........................................................................ 65
8.2.5. Stack ....................................................................................................... 65
8.2.6. Special Function Registers....................................................................... 65
8.2.7. Register Descriptions ............................................................................... 68
8.3.1. MCU Interrupt Sources and Vectors ........................................................ 72
8.3.2. External Interrupts .................................................................................... 73
8.3.3. Interrupt Priorities ..................................................................................... 73
Rev. 2.9
C8051F300/1/2/3/4/5
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