pef20320 Infineon Technologies Corporation, pef20320 Datasheet - Page 72

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

User’s Manual
Time Slot Oriented Protocol (TMA)
Reaction to a channel specification containing TH = 1
Note: 1. TC = FF
2. FNUM2 is ignored. The number of interframe time-fills between the first frame
3. The times
4. The TH bit (as all channel commands) is not synchronized with TB (as
5. The data stream is stopped and TC sent after the last byte of DATA 2 is sent.
6. If TH is bonded over to CD during interframe time-fill (TC) it prevents the
7. An AR pulse for an action specification leading to TH = 1 should be issued after
and the second frame solely depends on the AR low pulse leading to the action
with the channel with TH = 0.
opposed to the H-bit in the descriptor) TH acts on the data stream currently sent
not necessarily on the last data stored in TB. In the example TB may or may
not have stored DATA 3 before action request with TH = 1 was issued.
The stopping is triggered by the FE = 1 bit in the descriptor.
MUNICH32 from sending further data afterwards.
(ITBS + 2) polls of the MUNICH32, where ITBS is previously programmed
number of long words in the TB reserved for this channel.
the programmed flag for TMA and FA = 1
H
for TMA and FA = 0
t
1
and
t
2
are statistical but typically only a few clock cycles.
72
Functional Description
PEB 20320
01.2000