ksz8021rnli Micrel Semiconductor, ksz8021rnli Datasheet - Page 29

• Manufacturer Part Number: ksz8021rnli
• Description: 10base-t/100base-tx Phy With Rmii Support
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
Register Description (Continued)
August 2010
Register 15h – RXER Counter
Register 16h – Operation Mode Strap Override
Register 17h – Operation Mode Strap Status
Register 18h – Expanded Control
Register 1Bh – Interrupt Control/Status
Address
16.15:11
17.15:13
18.15:12
15.15:0
17.12:2
18.10:0
16.9:7
16.4:2
16.10
18.11
1b.15
1b.14
1b.13
1b.12
16.6
16.5
16.1
16.0
17.1
17.0
Page Received
RXER Counter
Parallel Detect
strap-in status
strap-in status
Fault Interrupt
Receive Error
RMII override
PHYAD[2:0]
RMII B-to-B
NAND Tree
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Disabled
Interrupt
Interrupt
Interrupt
override
override
Enable
Enable
Enable
Enable
Jabber
Name
EDPD
RMII
Description
Receive error counter for Symbol Error frames
1 = Override strap-in for RMII Back-to-Back
1 = Override strap-in for NAND Tree mode
1 = Override strap-in for RMII mode
[000] = Strap to PHY Address 0
[011] = Strap to PHY Address 3
The KSZ8021/31RNL supports only PHY
addresses 0x0h and 0x3h only.
1 = Strap to RMII mode
Energy Detect Power Down (EDPD) mode
1 = Disable
0 = Enable
See also register 10h, bit [4] for PLL off.
1 = Enable Jabber Interrupt
0 = Disable Jabber Interrupt
1 = Enable Receive Error Interrupt
0 = Disable Receive Error Interrupt
1 = Enable Page Received Interrupt
0 = Disable Page Received Interrupt
1 = Enable Parallel Detect Fault Interrupt
0 = Disable Parallel Detect Fault Interrupt
mode (set also bit 1 of this register to 1)
29
Mode
RO/SC
RW
RO
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
RW
RW
RW
RW
RW
RW
RW
(1)
Default
0000h
0000_0
0
00_0
0
0
0_00
1
0
0000
1
000_0000_0000
0
0
0
0
KSZ8021RNL / KSZ8031RNL
M9999-082710-1.0