DTMFDECODER-RD Silicon Laboratories Inc, DTMFDECODER-RD Datasheet - Page 128
![KIT REF DESIGN DTMF DECODER](/photos/9/6/90685/dtmfdecoder-rd_sml.jpg)
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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C8051F300/1/2/3/4/5
128
1000
0100
0101
Values Read
1
0
0
0
0
X
0
0
0
1
Table 13.4. SMBus Status Decoding (Continued)
X A master data byte was received;
X A Slave byte was transmitted;
X An illegal STOP or bus error was
0 A slave byte was transmitted;
1 A slave byte was transmitted;
ACK requested.
NACK received.
ACK received.
error detected.
detected while a Slave Transmis-
sion was in progress.
Current SMbus State
Rev. 2.9
Acknowledge received byte;
Read SMB0DAT.
Send NACK to indicate last
byte, and send STOP.
Send NACK to indicate last
byte, and send STOP fol-
lowed by START.
Send ACK followed by
repeated START.
Send NACK to indicate last
byte, and send repeated
START.
Send ACK and switch to
Master Transmitter Mode
(write to SMB0DAT before
clearing SI).
Send NACK and switch to
Master Transmitter Mode
(write to SMB0DAT before
clearing SI).
No action required (expect-
ing STOP condition).
Load SMB0DAT with next
data byte to transmit.
No action required (expect-
ing Master to end transfer).
Clear STO.
Typical Response Options
0
0
1
1
1
0
0
0
0
0
0
Written
Values
0
1
1
0
0
0
0
0
0
0
0
X
X
X
X
1
0
0
1
0
1
0
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