peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 72

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

Semiconductor Group
Figure 2-17 Receive Data Flow
Note: RR-frames and I-frame with first data byte equal to Ax
automatically. They are not stored in RFIFO and no interrupt is issued.
MDS 1
MDS 1
MDS 1
MDS 1
MDS 1
MDS 1
Transparent Mode 1
Transparent Mode 0
Non Automode/16
Non Automode/8
Automode/16
0
0
Automode/8
0
0
1
1
MDS 0
MDS 0
MDS 0
MDS 0
MDS 0
MDS 0
0
0
1
1
0
0
ADM
ADM
ADM
ADM
ADM
ADM
FLAG
1
0
1
0
1
0
Compared with register/group address
Processed automatically
Stored in RFIFO, register
RAH 2 or
FCH or
FEH
RAH 1 or
RAH 2 or
FCH or
FEH
RAH 1 or
RAH 2 or
FCH or
FEH
RAH 1 or
RAH 2 or
FCH or
FEH
RAL 1
RAL 2
RAH 1
RAH 2
FCH
FEH
RAH 1
RAH
RAL 1
RAL 1
RAL 2
RAL 1
ADDRESS
ADDR
1
RAL 1
RAL 1
RAL 1
RAL 2
RAL 1
RAL 2
RAL 1
RHCR
X
X
X
X
1
CONTROL
xxxxxx11
xxxxxx11
CTRL
RHCR
RHCR
RHCR
RHCR
RHCR
RHCR
RHCR
RHCR
RHCR
x0 H
x0 H
2-26
RFIFO
1. Byte
DATA
Ι
Ι
DATA
RFIFO
RFIFO
RFIFO
RFIFO
RFIFO
RFIFO
RFIFO
Functional Block Description
STATUS
H
RSTA
RSTA
RSTA
RSTA
RSTA
RSTA
RSTA
RSTA
RSTA
RSTA
ITD05838
or D0
CRC
I-Frame, 1. Data Byte
not Ax or DO -EF
Note : Compressed HDLC
Control Field stored in RHCR
Extended HDLC Frame
Broadcast HDLC Frame
I-Frame, 1. Data Byte
not Ax or DO -EF
Note : Compressed HDLC
Control Field stored in RHCR
Extended HDLC Frame
Broadcast HDLC Frame
H
-EF
H
H
H
FLAG
are processed
H
H
PEB 20560
H
H
2003-08