PSF21150 INFINEON [Infineon Technologies AG], PSF21150 Datasheet - Page 183

• Manufacturer Part Number: PSF21150
• Description: IPAC-X ISDN PC ADAPTER CIRCUIT
• Manufacturer: INFINEON [Infineon Technologies AG]

4.1.15
Value after reset: FF
TEI2
TEI2 ... Terminal Endpoint Identifier
In all message transfer modes except in transparent modes 0, 1 and extended
transparent mode, TEI2 is used by the IPAC-X for address recognition. In the case of a
two-byte address field, it contains the value of the second programmable Terminal
Endpoint Identifier according of the ISDN LAPD-protocol.
In non-auto-modes with one-byte address field, TEI2 is a response address, according
to X.25 LAPD.
EA2 ... Address field Extension bit
This bit is to be set to ’1’ according to HDLC/LAPD.
4.1.16
Value after reset: 0F
RSTAD
For general information please refer to
VFR... Valid Frame
Determines whether a valid frame has been received.
The frame is valid (1) or invalid (0).
A frame is invalid when there is not a multiple of 8 bits between flag and frame end (flag,
abort).
Data Sheet
7
7
TEI2 - TEI2 Register
RSTAD - Receive Status Register D-Channel
VFR
RDO
H
H
CRC
TEI2
RAB
Chapter
183
SA1
3.9.
SA0
Detailed Register Description
C/R
0
0
EA2
TA
PSB 21150
PSF 21150
2000-07-21
WR (28)
RD (28)