cx28560 Mindspeed Technologies, cx28560 Datasheet - Page 106

• Manufacturer Part Number: cx28560
• Description: Hdlc Controller
• Manufacturer: Mindspeed Technologies

The CX28560 Memory Organization
Table 5-16. BUFFC Interrupt Descriptors Format (3 of 3)
5-16
25:24
Field
23:1
Bit
0
RSVD
ILOST
RXPOSERR/TXPOSERR
Name
Value
00
01
10
11
Mindspeed Technologies™
0
0
1
No POS-PHY Error (Receive & Transmit).
Receive: POS PHY error (from URX)
------
Transmit: Flow Conductor POS PHY buffer overflow. The channel number
field is not valid.
Receive: Reserved
-------
Transmit: Data POS PHY error (due to assertion of error line)
Receive: Reserved
-------
Transmit – Data POS PHY Fatal Error. Caused by the detection of either a
parity error or the overflow of a POS-PHY internal buffer. The channel number
field is not valid.
Reserved
No interrupts have been lost.
Interrupt Lost.
Generated when internal interrupt queue is full and more interrupt conditions
are detected. As the CX28560 has no way to store the newest interrupt
descriptors, it discards the new interrupts and overwrites this bit in the last
interrupt in an internal queue prior to that interrupt being transferred out to
shared memory. The integrity of the descriptor being overwritten is
maintained completely.
Advance Information
Description
CX28560 Data Sheet
28560-DSH-001-B