peb20534h-52 Infineon Technologies Corporation, peb20534h-52 Datasheet - Page 174

• Manufacturer Part Number: peb20534h-52
• 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
SCC Receive Data Flow (HDLC Modes) part b)
RFIFO
RFIFO
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
RSTA
FLAG
FLAG
RSTA
PEB 20534
PEF 20534
2000-05-30