PSB21384H-V13 Infineon Technologies, PSB21384H-V13 Datasheet - Page 216
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PSB21384H-V13
Manufacturer Part Number
PSB21384H-V13
Description
Manufacturer
Infineon Technologies
Datasheet
1.PSB21384H-V13.pdf
(270 pages)
Specifications of PSB21384H-V13
Number Of Line Interfaces
1
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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Data Sheet
WTC1, 2
If the watchdog timer is enabled (RSS = ’11’) the microcontroller has to program the
WTC1 and WTC2 bit within each time period of 128 ms in the following sequence:
(See chapter 6.1).
CFS
This bit determines clock relations and recovery on the line and IOM interfaces
0: The IOM interface clock and frame signals are always active,
1: The IOM interface clock and frame signals are normally inactive ("Power Down").
Note:After reset the IOM interface is always active. To reach the "Power Down" state the
"Power Down" state included.
The states "Power Down" and "Power Up" are thus functionally identical except for
the indication: PD = 1111 and PU = 0111.
With the C/I command Timing (TIM) the microcontroller can enforce the
"Power Up" state.
With C/I command Deactivation Indication (DI) the "Power Down" state is
reached again.
It is also possible to activate the line Interface directly with the
C/I command Activate Request (AR) without the TIM command.
For activating the IOM-2 clocks the "Power Up" state can be induced by software
(SPU-bit in SPCR register) or by resetting again CFS.
After that the line interface can be activated with the C/I command Activate Request
(AR ). The "Power Down" state can be reached again with the C/I command
Deactivation Indication (DI).
CFS-bit has to be set.
1.
2.
... Watchdog Timer Control 1, 2
... Configuration Select
WTC1
1
0
WTC2
0
1
206
Detailed Register Description
PSB 21381/2
PSB 21383/4
2001-03-12
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