peb20532 Infineon Technologies Corporation, peb20532 Datasheet - Page 85

• Manufacturer Part Number: peb20532
• Description: 2 Channel Serial Optimized Communication Controller
• Manufacturer: Infineon Technologies Corporation

4.1.1.4
Characteristics: no address recognition
No address recognition is performed and each complete frame will be stored in the SCC
receive FIFO.
4.1.2
The following figures give an overview about the management of the received frames in
the different HDLC operating modes. The graphics show the actual HDLC frame and
how SEROCCO-M interprets the incoming octets. Below that it is shown which octets are
stored in the RFIFO and will thus be transferred into memory.
Figure 38
Figure 39
Data Sheet
to RFIFO
to RFIFO
registers
registers
involved
involved
Address Mode 0
HDLC Receive Data Processing
HDLC Receive Data Processing in 16 bit Automode
HDLC Receive Data Processing in 8 bit Automode
FLAG
FLAG
compare)
(address
RAL1,2
RAH1,2 RAL1,2
ADDR
opt. 1)
(high)
(low)
8 bit
16 bit ADDR
compare)
option 1)
(address
CTRL
(low)
CTRL
I-field (data)
I-field (data)
85
CRC16
Detailed Protocol Description
option 2)
CRC16
/32
option 2)
/32
RSTA
RSTA
FLAG
PEB 20532
PEF 20532
2000-09-14
RSTA
RSTA
FLAG