DTMFDECODER-RD Silicon Laboratories Inc, DTMFDECODER-RD Datasheet - Page 42

• 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

C8051F300/1/2/3/4/5
42
Bits7–4: AMX0N3–0: AMUX0 Negative Input Selection.
Bits3–0: AMX0P3–0: AMUX0 Positive Input Selection.
AMX0N3 AMX0N2 AMX0N1 AMX0N0 AMX0P3
R/W
Bit7
SFR Definition 5.1. AMX0SL: AMUX0 Channel Select (C8051F300/2)
Note that when GND is selected as the Negative Input, ADC0 operates in Single-ended
mode. For all other Negative Input selections, ADC0 operates in Differential mode.
0000–1000b: ADC0 Negative Input selected per the chart below.
0000–1001b: ADC0 Positive Input selected per the chart below.
1010–1111b: RESERVED.
AMX0N3–0
AMX0P3–0
R/W
Bit6
0000
0001
0010
0100
0101
0000
0001
0010
0100
0101
1000
1001
0011
0110
0111
0011
0110
1xxx
0111
R/W
Bit5
GND (ADC in Single-Ended Mode)
R/W
Bit4
ADC0 Negative Input
ADC0 Positive Input
Temperature Sensor
Rev. 2.9
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
V
R/W
Bit3
DD
AMX0P2
R/W
Bit2
AMX0P1
R/W
Bit1
AMX0P0 00000000
R/W
Bit0
SFR Address:
Reset Value
0xBB