DTMFDECODER-RD Silicon Laboratories Inc, DTMFDECODER-RD Datasheet - Page 7
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
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List of Figures
1. System Overview
2. Absolute Maximum Ratings
3. Global Electrical Characteristics
4. Pinout and Package Definitions
5. ADC0 (8-Bit ADC, C8051F300/2)
6. Voltage Reference (C8051F300/2)
7. Comparator0
8. CIP-51 Microcontroller
9. Reset Sources
Figure 1.1. C8051F300/2 Block Diagram ................................................................. 15
Figure 1.2. C8051F301/3/4/5 Block Diagram ........................................................... 15
Figure 1.3. Comparison of Peak MCU Execution Speeds ....................................... 16
Figure 1.4. On-Chip Clock and Reset ...................................................................... 17
Figure 1.5. On-chip Memory Map (C8051F300/1/2/3 Shown) ................................. 18
Figure 1.6. Development/In-System Debug Diagram............................................... 19
Figure 1.7. Digital Crossbar Diagram ....................................................................... 20
Figure 1.8. PCA Block Diagram ............................................................................... 21
Figure 1.9. PCA Block Diagram ............................................................................... 21
Figure 1.10. 8-Bit ADC Block Diagram ..................................................................... 22
Figure 1.11. Comparator Block Diagram .................................................................. 23
Figure 4.1. QFN-11 Pinout Diagram (Top View) ...................................................... 28
Figure 4.2. QFN-11 Package Drawing ..................................................................... 29
Figure 4.3. Typical QFN-11 Solder Paste Mask....................................................... 30
Figure 4.4. Typical QFN-11 Landing Diagram.......................................................... 31
Figure 4.5. SOIC-14 Pinout Diagram (Top View) ..................................................... 32
Figure 4.6. SOIC-14 Package Drawing .................................................................... 33
Figure 4.7. SOIC-14 PCB Land Pattern ................................................................... 34
Figure 5.1. ADC0 Functional Block Diagram............................................................ 35
Figure 5.2. Typical Temperature Sensor Transfer Function..................................... 37
Figure 5.3. Temperature Sensor Error with 1-Point Calibration (VREF = 2.40 V).... 38
Figure 5.4. 8-Bit ADC Track and Conversion Example Timing ................................ 40
Figure 5.5. ADC0 Equivalent Input Circuits.............................................................. 41
Figure 5.6. ADC Window Compare Examples, Single-Ended Mode........................ 45
Figure 5.7. ADC Window Compare Examples, Differential Mode ............................ 46
Figure 6.1. Voltage Reference Functional Block Diagram ....................................... 49
Figure 7.1. Comparator0 Functional Block Diagram ................................................ 51
Figure 7.2. Comparator Hysteresis Plot ................................................................... 52
Figure 8.1. CIP-51 Block Diagram............................................................................ 57
Figure 8.2. Program Memory Maps.......................................................................... 63
Figure 8.3. Data Memory Map.................................................................................. 64
Figure 9.1. Reset Sources........................................................................................ 83
Figure 9.2. Power-On and VDD Monitor Reset Timing ............................................ 84
Rev. 2.9
C8051F300/1/2/3/4/5
7
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