peb20525 Infineon Technologies Corporation, peb20525 Datasheet - Page 221

• Manufacturer Part Number: peb20525
• Description: 2 Channel Serial Optimized Communication Controller For Hdlc/ppp
• Manufacturer: Infineon Technologies Corporation

Figure 56
Data Sheet
Packet n, Buffer 0:
Packet n, Buffer 1:
Packet n, Buffer m:
(write transmit byte count with command
(write transmit byte count with command
Fragmented DMA Transmission (Multiple Buffers per Packet)
(prepare external DMA controller
(prepare external DMA controller
(prepare external DMA controller
(write transmit byte count with
CPU / MEMORY
<XBC> transmit data
<XBC> transmit data
<XBC> transmit data
with buffer base address)
with buffer base address)
with buffer base address)
ALLS interrupt (optional)
DMA transfer of
DMA transfer of
DMA transfer of
command bit 'XF')
TDTE interrupt
TDTE interrupt
TDTE interrupt
bit 'XF'+'XME')
bytes
bytes
bytes
bit 'XF')
...
...
...
221
XBC
TFIFO
TFIFO
TFIFO
XBC
TFIFO
TFIFO
TFIFO
XBC
TFIFO
TFIFO
TFIFO
SEROCCO-H
Programming
PEB 20525
PEF 20525
2000-09-14