PSB21473FV13XT Infineon Technologies, PSB21473FV13XT Datasheet - Page 398
PSB21473FV13XT
Manufacturer Part Number
PSB21473FV13XT
Description
Manufacturer
Infineon Technologies
Datasheet
1.PSB21473FV13XT.pdf
(664 pages)
Specifications of PSB21473FV13XT
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3.135V
Operating Supply Voltage (max)
3.6V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
144
Lead Free Status / RoHS Status
Compliant
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Data Sheet
Figure 20-20 DTMF Generator - Block Diagram
Both generators and amplifiers are identical. There are two modes for programming the
generators, cooked mode and raw mode. In cooked mode, DTMF tones are generated
by programming a single 4 bit code. In raw mode, the frequency of each generator/
amplifier can be programmed individually by a separate register. The unit has two
outputs which provide the same signal but with individually programmable attenuation.
Table 20-18 shows the parameters of this unit.
Table 20-18 DTMF Generator Registers
Register # of Bits
DGCTL
DGCTL
DGCTL
DGF1
DGF2
DGL
DGL
DGATT
DGATT
Note: DGF1 and DGF2 are undefined when cooked mode is used and must not be
written.
1
1
4
15
15
7
7
8
8
generator
generator
f
f
1
2
Name
EN
MD
DTC
FRQ1
FRQ2
LEV1
LEV2
ATT1
ATT2
gain2
gain1
Comment
Enable for generators
Mode (cooked/raw)
DTMF code (cooked mode)
Frequency of generator 1
Frequency of generator 2
Level of signal for generator 1
Level of signal for generator 2
Attenuation of S
Attenuation of S
398
9
10
att2
att1
Digital Signal Processor
S
S
10
9
PSB 21473
2003-03-31
INCA-D
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