PSB21382 INFINEON [Infineon Technologies AG], PSB21382 Datasheet - Page 33
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PSB21382
Manufacturer Part Number
PSB21382
Description
Siemens Codec with S/T Transceiver
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PSB21382.pdf
(270 pages)
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2.1
Depending of the package the SCOUT supports a serial or a parallel microcontroller
interface. In the P-MQFP-44 package only a serial interface is supported whereas in the
P-MQFP-64 package either a serial or a parallel microcontroller interface can be
selected.
For applications where no controller is connected to the SCOUT microcontroller interface
programming is done via the IOM-2 MONITOR channel from a master device. In such
applications the SCOUT operates in the IOM-2 slave mode (refer to the corresponding
chapter of the IOM-2 MONITOR handler).
The interface selections are all done by pinstrapping. The possible interface selections
are listed in table 2 for the P-MQFP-44 package and in table 3 for the P-MQFP-64
package. The selection pins are evaluated when the reset input RST is released. For the
pin levels stated in the tables the following is defined:
’High’:
V
Table 2
Interface Selection for the P-MQFP-44 Package
Table 3
Interface Selection for the P-MQFP-64 Package
Note: For a selected interface mode that does not need all input selection and address
Data Sheet
‘High’
(R/W)
’High’ ’High’
DD
PIN
V
CS
WR
V
SS
, V
SS
PINS
pins the unused pins must be tied to V
SS
: static ’High’ or ’Low’ level
IOM-2 MONITOR Channel
(DS)
V
Serial Control Interface
RD
Microcontroller Interface
dynamic pin value which must be ’High’ when the pin level is evaluated
SS
(Slave Mode)
Type/Mode
Serial /Parallel
Interface
(SCI)
Interface
Parallel
Serial
‘High’
’High’
V
CS
SS
PINS
edge
ALE
V
23
V
V
V
DD
SS
SS
SS
DD
or V
SS
.
Serial Control Interface(SCI)
IOM-2 MONITOR Channel
Siemens/Intel Non-Mux
Siemens/Intel Mux
(Slave Mode)
Type/Mode
Interface
Motorola
PSB 21381/2
PSB 21383/4
Interfaces
2001-03-12
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