pef82902 Infineon Technologies Corporation, pef82902 Datasheet - Page 30
pef82902
Manufacturer Part Number
pef82902
Description
4b3t Second Generation Modular Isdn Nt Intelligent Extended
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF82902.pdf
(243 pages)
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2
2.1
The T-SMINT
applications where no controller is connected to the T-SMINT
interface, register programming is done via the IOM
master device. In such applications the T-SMINT
(refer to the corresponding chapter of the IOM
The interface selections are all done by pinstrapping. The possible interface selections
are listed in
released. For the pin levels stated in the tables the following is defined:
’High’:dynamic pin value which must be ’High’ when the pin level is evaluated
V
•
Table 4
Note: For a selected interface mode which does not require all pins (e.g. address pins)
The microcontroller interface also consists of a microcontroller clock generation at pin
MCLK, an interrupt request at pin INT, a reset input pin RST and a reset output pin
RSTO.
The interrupt request pin INT (open drain output) becomes active if the T-SMINT
requests an interrupt.
2.1.1
The serial control interface (SCI) is compatible to the SPI interface of Motorola and to the
Siemens C510 family of microcontrollers.
The SCI consists of 4 lines: SCLK, SDX, SDR and CS. Data is transferred via the lines
SDR and SDX at the rate given by SCLK. The falling edge of CS indicates the beginning
Data Sheet
(R/W)
’High’ ’High’
DD
V
WR
SS
, V
PINS
the unused pins must be tied to V
SS
:static ’High’ or ’Low’ level (tied to V
(DS)
V
RD
Functional Description
Microcontroller Interfaces
Serial Control Interface (SCI)
SS
Table
â
Interface Selection for the T-SMINT
IX supports either a serial or a parallel microcontroller interface. For
Serial /Parallel
Interface
4. The selection pins are evaluated when the reset input RST is
Parallel
Serial
‘High’
’High’
V
CS
SS
PINS
DD
edge
ALE
.
16
V
V
V
V
DD
SS
SS
SS
DD
â
-2 MONITOR handler).
, V
â
IX operates in the IOM
SS
â
)
IX
Serial Control Interface(SCI)
IOM
â
-2 MONITOR channel from a
Siemens/Intel Non-Mux
â
Siemens/Intel Mux
-2 MONITOR Channel
(Slave Mode)
Type/Mode
Functional Description
Interface
Motorola
â
IX microcontroller
â
-2 slave mode
PEF 81902
2001-11-12
â
IX
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