PEB20256E-V21 Infineon Technologies, PEB20256E-V21 Datasheet - Page 116
PEB20256E-V21
Manufacturer Part Number
PEB20256E-V21
Description
IC CONTROLLER INTERFACE 388-BGA
Manufacturer
Infineon Technologies
Datasheet
1.PEB20256E-V21.pdf
(232 pages)
Specifications of PEB20256E-V21
Function
Multichannel Network Interface Controller (MUNICH)
Interface
HDLC, PPP, Serial, TMA
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
200mA
Power (watts)
3W
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
388-BBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Circuits
-
Other names
PEB20256E-V21
PEB20256E-V21IN
PEB20256E-V21IN
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Register
CSPEC_XMIT_ACCM
CSPEC_BUFFER
CSPEC_FRDA
CSPEC_FTDA
CSPEC_IMASK
6.1
The following section describes all receive and transmit channel commands and the
programming sequence in details.
6.2
Transmit Init
Before a ’Transmit Init’ command is given, the MUNICH256 will not transmit data for a
channel. After the ’Transmit Init’ command the channel database of the affected channel
is initialized according to the parameters in the channel specification registers.
After initialization the transmit buffer prepares the buffer locations for the selected
channel and the data management unit starts processing the linked list and fills the
prepared buffer locations. In order to prevent a transmit underrun condition, the transmit
buffer is filled up to the transmit forward threshold before data is sent to the serial side.
The protocol machine formats data according to the given channel parameters and the
data is placed in the time slots assigned to the selected channel. When no or not
sufficient data is available, the device sends the idle code according the selected
protocol mode.
If the command was successful, a ’Transmit Command Complete’ interrupt vector is
generated after the first transmit descriptor is read pointed to by register CSPEC_FTDA.
In case that there is insufficient transmit buffer space, the command cannot be
Data Sheet
Channel Commands
Transmit Channel Commands
Channel Programming / Reprogramming Concept
Transmit Commands
116
Receive
Commands
PEB 20256 E
PEF 20256 E
04.2001
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