KS8721B A4 Micrel Inc, KS8721B A4 Datasheet - Page 20

• Manufacturer Part Number: KS8721B A4
• Manufacturer: Micrel Inc

Specifications of KS8721B A4

• Lead Free Status / RoHS Status: Not Compliant

Note 1.
M9999-030106
Address
Address
Address
Address
Register 15h - RXER Counter
Register 15h - RXER Counter
15.15:0
15.15:0
15.15:0
15.15:0
15.15:0
15.15:0
Register 1bh - Interrupt Control/Status Register
Register 1bh - Interrupt Control/Status Register
1b.15
1b.15
1b.15
1b.15
1b.15
1b.15
1b.14
1b.14
1b.14
1b.14
1b.14
1b.14
1b.13
1b.13
1b.13
1b.13
1b.13
1b.13
1b.12
1b.12
1b.12
1b.12
1b.12
1b.12
1b.11
1b.11
1b.11
1b.11
1b.11
1b.11
1b.10
1b.10
1b.10
1b.10
1b.10
1b.10
1b.9
1b.9
1b.9
1b.9
1b.9
1b.9
1b.8
1b.8
1b.8
1b.8
1b.8
1b.8
1b.7
1b.7
1b.7
1b.7
1b.7
1b.7
1b.6
1b.6
1b.6
1b.6
1b.6
1b.6
1b.5
1b.5
1b.5
1b.5
1b.5
1b.5
1b.4
1b.4
1b.4
1b.4
1b.4
1b.4
1b.3
1b.3
1b.3
1b.3
1b.3
1b.3
1b.2
1b.2
1b.2
1b.2
1b.2
1b.2
1b.1
1b.1
1b.1
1b.1
1b.1
1b.1
1b.0
1b.0
1b.0
1b.0
1b.0
1b.0
Register 1fh - 100BaseTX PHY Controller
1f.15:14
1f.15:14
1f.15:14
1f:13
1f:13
1f:13
1f:13
1f:13
1f:13
1f.12
1f.12
1f.12
1f.12
1f.12
1f.12
1f.11
1f.11
1f.11
1f.11
1f.11
1f.11
1f.10
1f.10
1f.10
1f.10
1f.10
1f.10
1f.9
1f.9
1f.9
1f.9
1f.9
1f.9
1f.8
1f.8
1f.8
1f.8
1f.8
1f.8
1f.7
1f.7
1f.7
1f.7
1f.7
1f.7
RW: Read/Write, RO: Read only, SC: Self clear, LH: Latch High, LL: Latch Low. Some of the default values are set by strap-in. See “Srap-
ping Options.”
Name
Name
Name
Name
RXER Counter
RXER Counter
RXER Counter
RXER Counter
RXER Counter
RXER Counter
Jabber Interrupt Enable
Jabber Interrupt Enable
Jabber Interrupt Enable
Jabber Interrupt Enable
Jabber Interrupt Enable
Jabber Interrupt Enable
Receive Error
Receive Error
Receive Error
Receive Error
Receive Error
Receive Error
Interrupt Enable
Interrupt Enable
Interrupt Enable
Interrupt Enable
Page Received
Page Received
Page Received
Page Received
Page Received
Page Received
Interrupt Enable
Interrupt Enable
Interrupt Enable
Interrupt Enable
Parallel Detect Fault
Parallel Detect Fault
Parallel Detect Fault
Parallel Detect Fault
Parallel Detect Fault
Parallel Detect Fault
Interrupt Enable
Interrupt Enable
Interrupt Enable
Interrupt Enable
Link Partner Acknowledge 1 = Enable Link Partner Acknowledge Interrupt
Link Partner Acknowledge 1 = Enable Link Partner Acknowledge Interrupt
Link Partner Acknowledge 1 = Enable Link Partner Acknowledge Interrupt
Link Partner Acknowledge 1 = Enable Link Partner Acknowledge Interrupt
Link Partner Acknowledge 1 = Enable Link Partner Acknowledge Interrupt
Link Partner Acknowledge 1 = Enable Link Partner Acknowledge Interrupt
Interrupt Enable
Interrupt Enable
Interrupt Enable
Interrupt Enable
Link Down
Link Down
Link Down
Link Down
Link Down
Link Down
Interrupt Enable
Interrupt Enable
Interrupt Enable
Interrupt Enable
Remote Fault
Remote Fault
Remote Fault
Remote Fault
Remote Fault
Remote Fault
Interrupt Enable
Interrupt Enable
Interrupt Enable
Interrupt Enable
Link Up Interrupt Enable
Link Up Interrupt Enable
Link Up Interrupt Enable
Link Up Interrupt Enable
Link Up Interrupt Enable
Link Up Interrupt Enable
Jabber Interrupt
Jabber Interrupt
Jabber Interrupt
Jabber Interrupt
Jabber Interrupt
Jabber Interrupt
Receive Error Interrupt
Receive Error Interrupt
Receive Error Interrupt
Receive Error Interrupt
Receive Error Interrupt
Receive Error Interrupt
Page Receive Interrupt
Page Receive Interrupt
Page Receive Interrupt
Page Receive Interrupt
Page Receive Interrupt
Page Receive Interrupt
Parallel Detect
Parallel Detect
Parallel Detect
Parallel Detect
Parallel Detect
Parallel Detect
Fault Interrupt
Fault Interrupt
Fault Interrupt
Fault Interrupt
Link Partner
Link Partner
Link Partner
Link Partner
Link Partner
Link Partner
Acknowledge Interrupt
Acknowledge Interrupt
Acknowledge Interrupt
Acknowledge Interrupt
Link Down Interrupt
Link Down Interrupt
Link Down Interrupt
Link Down Interrupt
Link Down Interrupt
Link Down Interrupt
Remote Fault Interrupt
Remote Fault Interrupt
Remote Fault Interrupt
Remote Fault Interrupt
Remote Fault Interrupt
Remote Fault Interrupt
Link Up Interrupt
Link Up Interrupt
Link Up Interrupt
Link Up Interrupt
Link Up Interrupt
Link Up Interrupt
Reserved
Reserved
Reserved
Pairswap Disable
Pairswap Disable
Pairswap Disable
Pairswap Disable
Pairswap Disable
Pairswap Disable
Energy Detect
Energy Detect
Energy Detect
Energy Detect
Energy Detect
Energy Detect
Force Link
Force Link
Force Link
Force Link
Force Link
Force Link
Power Saving
Power Saving
Power Saving
Power Saving
Power Saving
Power Saving
Interrupt Level
Interrupt Level
Interrupt Level
Interrupt Level
Interrupt Level
Interrupt Level
Enable Jabber
Enable Jabber
Enable Jabber
Enable Jabber
Enable Jabber
Enable Jabber
Auto-Negotiation Complete 1 = Auto-Negotiation Complete; 0 = Not Nomplete
Auto-Negotiation Complete 1 = Auto-Negotiation Complete; 0 = Not Nomplete
Auto-Negotiation Complete 1 = Auto-Negotiation Complete; 0 = Not Nomplete
Auto-Negotiation Complete 1 = Auto-Negotiation Complete; 0 = Not Nomplete
Auto-Negotiation Complete 1 = Auto-Negotiation Complete; 0 = Not Nomplete
Auto-Negotiation Complete 1 = Auto-Negotiation Complete; 0 = Not Nomplete
Description
Description
Description
Description
RX Error counter for the RX_ER in each package
RX Error counter for the RX_ER in each package
RX Error counter for the RX_ER in each package
RX Error counter for the RX_ER in each package
RX Error counter for the RX_ER in each package
RX Error counter for the RX_ER in each package
1 = Enable Jabber Interrupt; 0=Disable Jabber Interrupt
1 = Enable Jabber Interrupt; 0=Disable Jabber Interrupt
1 = Enable Jabber Interrupt; 0=Disable Jabber Interrupt
1 = Enable Jabber Interrupt; 0=Disable Jabber Interrupt
1 = Enable Jabber Interrupt; 0=Disable Jabber Interrupt
1 = Enable Jabber Interrupt; 0=Disable Jabber Interrupt
1 = Enable Receive Error Interrupt
1 = Enable Receive Error Interrupt
1 = Enable Receive Error Interrupt
1 = Enable Receive Error Interrupt
1 = Enable Receive Error Interrupt
1 = Enable Receive Error Interrupt
0 = Disable Receive Error Interrupt
0 = Disable Receive Error Interrupt
0 = Disable Receive Error Interrupt
0 = Disable Receive Error Interrupt
1 = Enable Page Received Interrupt
1 = Enable Page Received Interrupt
1 = Enable Page Received Interrupt
1 = Enable Page Received Interrupt
1 = Enable Page Received Interrupt
1 = Enable Page Received Interrupt
0 = Disable Page Received Interrupt
0 = Disable Page Received Interrupt
0 = Disable Page Received Interrupt
0 = Disable Page Received Interrupt
1 = Enable Parallel Detect Fault Interrupt
1 = Enable Parallel Detect Fault Interrupt
1 = Enable Parallel Detect Fault Interrupt
1 = Enable Parallel Detect Fault Interrupt
1 = Enable Parallel Detect Fault Interrupt
1 = Enable Parallel Detect Fault Interrupt
0 = Disable Parallel Detect Fault Interrupt
0 = Disable Parallel Detect Fault Interrupt
0 = Disable Parallel Detect Fault Interrupt
0 = Disable Parallel Detect Fault Interrupt
0 = Disable Link Partner Acknowledge Interrupt
0 = Disable Link Partner Acknowledge Interrupt
0 = Disable Link Partner Acknowledge Interrupt
0 = Disable Link Partner Acknowledge Interrupt
1 = Enable Link Down Interrupt
1 = Enable Link Down Interrupt
1 = Enable Link Down Interrupt
1 = Enable Link Down Interrupt
1 = Enable Link Down Interrupt
1 = Enable Link Down Interrupt
0 = Disable Link Down Interrupt
0 = Disable Link Down Interrupt
0 = Disable Link Down Interrupt
0 = Disable Link Down Interrupt
1 = Enable Remote Fault Interrupt
1 = Enable Remote Fault Interrupt
1 = Enable Remote Fault Interrupt
1 = Enable Remote Fault Interrupt
1 = Enable Remote Fault Interrupt
1 = Enable Remote Fault Interrupt
0 = Disable Remote Fault Interrupt
0 = Disable Remote Fault Interrupt
0 = Disable Remote Fault Interrupt
0 = Disable Remote Fault Interrupt
1 = Enable Link Up Interrupt
1 = Enable Link Up Interrupt
1 = Enable Link Up Interrupt
1 = Enable Link Up Interrupt
1 = Enable Link Up Interrupt
1 = Enable Link Up Interrupt
0 = Disable Link Up Interrupt
0 = Disable Link Up Interrupt
0 = Disable Link Up Interrupt
0 = Disable Link Up Interrupt
1 = Jabber Interrupt Occurred
1 = Jabber Interrupt Occurred
1 = Jabber Interrupt Occurred
1 = Jabber Interrupt Occurred
1 = Jabber Interrupt Occurred
1 = Jabber Interrupt Occurred
0 = Jabber Interrupt Does Not Occurred
0 = Jabber Interrupt Does Not Occurred
0 = Jabber Interrupt Does Not Occurred
0 = Jabber Interrupt Does Not Occurred
1 = Receive Error Occurred
1 = Receive Error Occurred
1 = Receive Error Occurred
1 = Receive Error Occurred
1 = Receive Error Occurred
1 = Receive Error Occurred
0 = Receive Error Does Not Occurred
0 = Receive Error Does Not Occurred
0 = Receive Error Does Not Occurred
0 = Receive Error Does Not Occurred
1 = Page Receive Occurred
1 = Page Receive Occurred
1 = Page Receive Occurred
1 = Page Receive Occurred
1 = Page Receive Occurred
1 = Page Receive Occurred
0 = Page Receive Does Not Occurred
0 = Page Receive Does Not Occurred
0 = Page Receive Does Not Occurred
0 = Page Receive Does Not Occurred
1 = Parallel Detect Fault Occurred
1 = Parallel Detect Fault Occurred
1 = Parallel Detect Fault Occurred
1 = Parallel Detect Fault Occurred
1 = Parallel Detect Fault Occurred
1 = Parallel Detect Fault Occurred
0 = Parallel Detect Fault Does Not Occurred
0 = Parallel Detect Fault Does Not Occurred
0 = Parallel Detect Fault Does Not Occurred
0 = Parallel Detect Fault Does Not Occurred
1 = Link Partner Acknowledge Occurred
1 = Link Partner Acknowledge Occurred
1 = Link Partner Acknowledge Occurred
1 = Link Partner Acknowledge Occurred
1 = Link Partner Acknowledge Occurred
1 = Link Partner Acknowledge Occurred
0 = Link Partner Acknowledge Does Not Occurred
0 = Link Partner Acknowledge Does Not Occurred
0 = Link Partner Acknowledge Does Not Occurred
0 = Link Partner Acknowledge Does Not Occurred
1 = Link Down Occurred
1 = Link Down Occurred
1 = Link Down Occurred
1 = Link Down Occurred
1 = Link Down Occurred
1 = Link Down Occurred
0 = Link Down Does Not Occurred
0 = Link Down Does Not Occurred
0 = Link Down Does Not Occurred
0 = Link Down Does Not Occurred
1 = Remote Fault Occurred
1 = Remote Fault Occurred
1 = Remote Fault Occurred
1 = Remote Fault Occurred
1 = Remote Fault Occurred
1 = Remote Fault Occurred
0 = Remote Fault Does Not Occurred
0 = Remote Fault Does Not Occurred
0 = Remote Fault Does Not Occurred
0 = Remote Fault Does Not Occurred
1 = Link Up Interrupt Occurred
1 = Link Up Interrupt Occurred
1 = Link Up Interrupt Occurred
1 = Link Up Interrupt Occurred
1 = Link Up Interrupt Occurred
1 = Link Up Interrupt Occurred
0 = Link Up Interrupt Does Not Occurred
0 = Link Up Interrupt Does Not Occurred
0 = Link Up Interrupt Does Not Occurred
0 = Link Up Interrupt Does Not Occurred
1 = Disable MDI/MDIX; 0 = Enable MDI/MDIX
1 = Disable MDI/MDIX; 0 = Enable MDI/MDIX
1 = Disable MDI/MDIX; 0 = Enable MDI/MDIX
1 = Disable MDI/MDIX; 0 = Enable MDI/MDIX
1 = Disable MDI/MDIX; 0 = Enable MDI/MDIX
1 = Disable MDI/MDIX; 0 = Enable MDI/MDIX
1 = Presence of Signal on RX+/- Analog Wire Pair
1 = Presence of Signal on RX+/- Analog Wire Pair
1 = Presence of Signal on RX+/- Analog Wire Pair
1 = Presence of Signal on RX+/- Analog Wire Pair
1 = Presence of Signal on RX+/- Analog Wire Pair
1 = Presence of Signal on RX+/- Analog Wire Pair
0 = No Signal Setected on RX+/-
0 = No Signal Setected on RX+/-
0 = No Signal Setected on RX+/-
0 = No Signal Setected on RX+/-
1 = Force Link Pass; 0 = Normal Link Operation
1 = Force Link Pass; 0 = Normal Link Operation
1 = Force Link Pass; 0 = Normal Link Operation
1 = Force Link Pass; 0 = Normal Link Operation
1 = Force Link Pass; 0 = Normal Link Operation
1 = Force Link Pass; 0 = Normal Link Operation
This bit bypasses the control logic and allow transmitter
to send pattern even if there is no link.
to send pattern even if there is no link.
to send pattern even if there is no link.
to send pattern even if there is no link.
1 = Enable Ppower Saving; 0 = Disable
1 = Enable Ppower Saving; 0 = Disable
1 = Enable Ppower Saving; 0 = Disable
1 = Enable Ppower Saving; 0 = Disable
1 = Enable Ppower Saving; 0 = Disable
1 = Enable Ppower Saving; 0 = Disable
1 = Interrupt Pin Active High; 0 = Active Low
1 = Interrupt Pin Active High; 0 = Active Low
1 = Interrupt Pin Active High; 0 = Active Low
1 = Interrupt Pin Active High; 0 = Active Low
1 = Interrupt Pin Active High; 0 = Active Low
1 = Interrupt Pin Active High; 0 = Active Low
1 = Enable Jabber Counter; 0 = Disable
1 = Enable Jabber Counter; 0 = Disable
1 = Enable Jabber Counter; 0 = Disable
1 = Enable Jabber Counter; 0 = Disable
1 = Enable Jabber Counter; 0 = Disable
1 = Enable Jabber Counter; 0 = Disable
20
Mode
Mode
Mode
Mode
RO
RO
RO
RO
RO
RO
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
RO/SC
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
R/W
R/W
R/W
R/W
R/W
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
(Note 1)
Default
Default
0000
0000
0000
0000
0000
0000
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
March 2006