KSZ8842-16MVLI TR Micrel, KSZ8842-16MVLI TR Datasheet - Page 111
KSZ8842-16MVLI TR
Manufacturer Part Number
KSZ8842-16MVLI TR
Description
Ethernet ICs 2-Port Ethernet Switch/Repeater + Generic (8, 16-bit) bus interface(Lead Free)
Manufacturer
Micrel
Datasheet
1.KSZ8842-16MVL_TR.pdf
(141 pages)
Specifications of KSZ8842-16MVLI TR
Rohs
yes
Product
Ethernet Switches
Package / Case
LQFP-128
Mounting Style
SMD/SMT
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Bank 51 Port 2 Control Register 4 (0x02): P2CR4
This register contains the global per port control for the switch function.
Micrel, Inc.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
October 2007
Default
0
0
0
0
0
0
0
0
1
0
0
1
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
Description
LED Off
1 = turn off all of the port 2 LEDs (P2LED3,
P2LED2, P2LED1, P2LED0). These pins are
driven High if this bit is set to 1.
0 = normal operation.
Txids
1 = disable port’s transmitter.
0 = normal operation.
Restart AN
1 = restart auto-negotiation.
0 = normal operation.
Reserved
Power Down
1 = power-down.
0 = normal operation.
Disable Auto MDI/MDI-X
1= disable auto MDI/MDI-X function.
0= enable auto MDI/MDI-X function.
Force MDI-X
1 = if auto MDI/MDI-X is disabled, force PHY into
MDI-X mode.
0 = do not force PHY into MDI-X mode.
Far-End Loopback
1 = perform loopback, as indicated (see Figure 15):
Start: RXP1/RXM1 (port 1).
Loopback: PMD/PMA of port 2’s PHY.
End: TXP1/TXM1 (port 1).
0 = normal operation.
Auto Negotiation Enable
0 = disable auto negotiation, speed and duplex are
decided by bits 6 and 5 of the same register.
1 = auto negotiation is ON.
Force Speed
1 = force 100BT if AN is disabled (bit 7).
0 = force 10BT if AN is disabled (bit 7).
Force Duplex
1 = force full duplex if (1) AN is disabled or (2) AN
is enabled but failed.
0 = force half duplex if (1) AN is disabled or (2) AN
is enabled but failed.
Advertised flow control capability.
1 = advertise flow control (pause) capability.
0 = suppress flow control (pause) capability from
transmission to the link partner.
111
Bit is same as:
Bank 46 0x00 bit 0
Bank 46 0x00 bit 1
Bank 46 0x00 bit 9
Bank 46 0x00 bit 2
Bank 46 0x00 bit 11
Bank 46 0x00 bit 3
Bank 46 0x00 bit 4
Bank 46 0x00 bit 14
Bank 46 0x00 bit 12
Bank 46 0x00 bit 13
Bank 46 0x00 bit 8
Bank 46 0x08 bit 10
KSZ8842-16/32 MQL/MVL/MVLI/MBL
M9999-102207-1.9
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