Micrel, Inc. KS8721BL/SL
June 2009
22
M9999-062509-1.3
Address Name Description Default
(1)
Mode
7.12 Acknowledge 2
1 = will comply with message
0 = cannot comply with message
RW 0
7.11 Toggle
1 = previous value of the transmitted link code word equaled
logic One
0 = logic Zero
RO 0
7.10:0 Message Field 11-bit wide field to encode 2048 messages RW 001
Register 8h - Link Partner Next Page Ability
8.15 Next Page
1 = additional next page(s) will follow
0 = last page
RO 0
8.14 Acknowledge
1 = successful receipt of link word
0 = no successful receipt of link word
RO 0
8.13 Message Page
1 = Message Page
0 = unformatted page
RO 0
8.12 Acknowledge 2
1 = able to act on the information
0 = not able to act on the information
RO 0
8.11 Toggle
1 = previous value of transmitted link code word equal to
logic zero
0 = previous value of transmitted link code word equal to
logic one
RO 0
8.10:0 Message Field RO 0
Register 15h - RXER Counter
15.15:0 RXER Counter RX Error counter for the RX_ER in each package RO 000
Register 1bh - Interrupt Control/Status Register
1b.15 Jabber Interrupt Enable
1 = Enable jabber interrupt
0 = Disable jabber interrupt
RW 0
1b.14
Receive Error
Interrupt Enable
1 = Enable receive error interrupt
0 = Disable receive error interrupt
RW 0
1b.13
Page Received
Interrupt Enable
1 = Enable page received interrupt
0 = Disable page received interrupt
RW 0
1b.12
Parallel Detect Fault
Interrupt Enable
1 = Enable parallel detect fault interrupt
0 = Disable parallel detect fault interrupt
RW 0
1b.11
Link Partner Acknowledge
Interrupt Enable
1 = Enable link partner acknowledge interrupt
0 = Disable link partner acknowledge interrupt
RW 0
1b.10
Link Down
Interrupt Enable
1 = Enable link down interrupt
0 = Disable link down interrupt
RW 0
1b.9
Remote Fault
Interrupt Enable
1 = Enable remote fault interrupt
0 = Disable remote fault interrupt
RW 0
1b.8 Link Up Interrupt Enable
1 = Enable link up interrupt
0 = Disable link up interrupt
RW 0
1b.7 Jabber Interrupt
1 = Jabber interrupt occurred
0 = Jabber interrupt has not occurred
RO/SC 0
1b.6 Receive Error Interrupt
1 = Receive error occurred
0 = Receive error has not occurred
RO/SC 0
1b.5 Page Receive Interrupt
1 = Page receive occurred
0 = Page receive has not occurred
RO/SC 0
1b.4
Parallel Detect
Fault Interrupt
1 = Parallel detect fault occurred
0 = Parallel detect fault has not occurred
RO/SC 0