peb20534 Infineon Technologies Corporation, peb20534 Datasheet - Page 174

• Manufacturer Part Number: peb20534
• Description: Dma Supported Serial Communication Controller With 4 Channels
• Manufacturer: Infineon Technologies Corporation

Figure 62
8.1.5
Two different types of frames can be transmitted:
– I-frames and
– transparent frames
as shown below.
Data Sheet
option1)
The address field (8 bit address, 16 bit address or the high byte of a 16 bit address) can
optionally be forwarded to the RFIFO (bit 'RADD' in register CCR2)
option 2)
The 16 or 32 bit CRC field can optionally be forwarded to the RFIFO (bit 'RCRC' in register
CCR2)
HDLC Transmit Data Processing Overview
registers
registers
involved
involved
RFIFO
RFIFO
SCC Receive Data Flow (HDLC Modes) part b)
FLAG
FLAG
compare)
(address
RAH1,2
ADDR
opt. 1)
8 bit
16 bit ADDR
data
data
CRC16
174
optional 2)
CRC16
/32
optional 2)
/32
Detailed Protocol Description
FLAG
RSTA
RSTA
FLAG
PEB 20534
PEF 20534
2000-05-30