pef20320 Infineon Technologies Corporation, pef20320 Datasheet - Page 98

• Manufacturer Part Number: pef20320
• Description: Multichannel Network Interface Controller For Hdlc With 32 Channels
• Manufacturer: Infineon Technologies Corporation

User’s Manual
TMR
Transmit Direction
General Features
In transmit direction
– the starting and ending flag (00 00
Options
The different options for this mode are
– the number of interframe time-fill characters as shown in Figure 29 by choosing
By choosing FNUM = 0 and setting the last transmitted nibble in the transmit data section
to 0
Interrupts
The possible interrupts for the mode in the transmit direction are identical to those of
HDLC.
A typical data stream has the form
ITF DATA ITF DATA
Example:
TMR channel with
automatically.
FNUM in the transmit descriptor. For the values 0, 1, 2 we have
FNUM = 0
FNUM = 1
FNUM = 2
H
frames of effective length n +
INV = 0
CRC = 1
TRV = 00
FA = 0
MODE = 01
IFTF = 0
Intel interface
Channel No. 5
… frame 1, 000
… frame 1, 00
… frame 1, 00
(no inversion)
(required)
(required)
(required)
(TMR)
(required)
H
H
H
, 00
, 00
, frame 2 …
1
H
H
/
2
, frame 2 …
, 00
bytes can be sent as required by GSM 08.60.
H
H
, frame 2 …
98
or 0 00
H
between frames) is generated
Functional Description
PEB 20320
01.2000