DS_1209F_004
73S1209F Data Sheet
Rev. 1.2
123
In
, deleted the Special Operating Mode for Sync and
Async Operation table.
In
Figure 20
,
Figure 21
and
Figure 22
, replaced the timing diagrams.
In
, added “Synchronous card operation is broken down
into three primary types. These are commonly referred to as 2-wire,
3-wire and I2C synchronous cards. Each card type requires different
control and timing and therefore requires different algorithms to access.
Teridian has created an application note to provide detailed algorithms for
each card type. Refer to the application note titled
73S12xxF
Synchronous Card Design Application Note
.”
In the
bit description, deleted “When in power down mode, V
DD
=
0V. V
DD
can only be turned on by pressing the ON/OFF switch or by
application of 5V to V
BUS
. If V
BUS
power is available and SCPWRDN bit is
set, it has no effect until V
BUS
is removed and V
DD
will shut off.”
In
Table 79
and
Table 108
, changed the SYCKST bit to I2CMODE.
Changed the register address for
from FE21 to FE1F.
In
(SPrtcol register), changed the SCISYN bit to I2CMODE.
In
Figure 24
and
Figure 25
, replaced the schematics with new schematics.
In
, changed the Fxtal Min value from 4 to 6.
Added
Section 6, Related Documentation
Added
Section 7, Contact Information
Formatted the document per new standard. Added section numbering.
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