ST75C520PQFP View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST75C520PQFP' PDF : 45 Pages View PDF
ST75C520
V.2.1.4 - Configuration Control Commands
CONF
Configure. This command configuresthe
modem enginefor data transmission and
handshake procedures (if any) in any of
the supported modes. The transmission
parameters are set to their default values
and can be modified with the MODC
command. Parametric command.
MODC
Modify Configuration. This command
allows modification of some of the
parameters which have been set up by
the CONF command. It can also be used
to alter the mode of operations (short
train). Parametric command.
DOSR
Define Optional Status Report. This
command allows the modification of the
optional status report located in the
status area of the dual port RAM. One
can thus select a particular parameter to
be monitored during all modes of
operation. Parametric command.
DSIT
Define Status Interrupt. This command
allows the programming of the status
word bit that will generate an Interrupt to
the controller. Parametric command.
V.2.1.5 - Tone Generation Commands
TONE
Se le ct Ton e . P ro gra ms the ton e
generator(s) for the desired default
tone(s). Additional mnemonics provide
quick programming of DTMF tones or
other currently used tones. Parametric
command.
DEFT
TGEN
De fine Ton e . P ro g rams t h e t one
generator(s) for arbitrary tone synthesis.
Parametric command.
Tone Generator Control. Enables or
disables the tone generator(s).
Parametric command.
IV.2.1.6 - Tone Detection Commands
TDRC
TDWC
TDRW
TDWW
TDZ
Read Tone Detector Coefficient. Read
o n e To ne Det e c to r Co ef f icien t .
Parametric command.
Write Tone Detector Coefficient. Write
o n e To ne Det e c to r Co ef f icien t .
Parametric command.
Read Tone Detector Wiring. Read one
Tone Detector Wirin g co nnection.
Parametric command.
Write Tone Detector Wiring. Write one
Tone Detector Wirin g co nnection.
Parametric command.
Clear Tone Detector Cell. Clear internal
variables of a Tone Detector Cell.
Parametric command.
V.2.1.7 - Miscellaneous Commands
CALL
JSR
Call a Subroutine. Call a subroutine with
one Parameter. Parametric command.
Call a Low Level Subroutine. Call an
internal subroutine with one parameter.
Parametric command.
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