PEB20570 Datasheet, PDF (273/291 Pages) Infineon Technologies AG – ICs for Communications

DELIC
PEB 20571
Mailbox Protocol Description
For every entry (two bytes per entry):
Mailbox Register (MDT0..7(15) Low) µP-write
Mailbox Register (ODT0..7(15) Low) µP-read
bit
7
6
5
4
3
SAD4 SAD3
2
SAD2
1
SAD1
0
SAD0
SAD4..0 Subscriber Address i.e. IOM-2000 VIP and channel number
Mailbox Register (MDT0..7(15) High) µP-write
Mailbox Register (ODT0..7(15) High) µP-read
bit
7
6
5
4
3
2
1
0
CI3
CI2
CI1
CI0
CI3..0 C/I value
11.10 HDLC Handling
Flag
Address
Control I- Field
CRC
Flag
Device
User
Figure 11-12 HDLC Frame Structure
11.10.1 HDLC Commands
The following commands are sent from the µP to the DELIC.
Auto Mode
Non-Auto Mode
Transparent Mode 1
Transparent Mode 0
Extended Transparent Mode
deli_556.emf
Preliminary Data Sheet
11-39
2003-08