L80223/D LSI, L80223/D Datasheet - Page 47
L80223/D
Manufacturer Part Number
L80223/D
Description
Manufacturer
LSI
Datasheet
1.L80223D.pdf
(140 pages)
Specifications of L80223/D
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Table 2.6
2.3.13.2 LED Normal Function Select Bits
Table 2.7
1. The L80227 powers up with the LED_DEF[1:0] bits set to the default value of 0b00.
PLEDn_[1]
LED_DEF[1:0]
0b00
1
1
0
0
0b11
0b10
0b01
1
PLEDn_[1:0] Output Select Bit Encoding
LED Normal Function Definition
PLEDn_[0]
RCV ACT
RCV ACT
RCV ACT
RCV ACT
1
0
1
0
PLED5n
Table 2.6
When the PLED[5:0]n pins are programmed for their normal functions
(PLEDn_[1:0] = 0b11), the pin output states indicate four specific types
of events. The LED Normal Function select bits (LED_DEF[1:0]) in the
MI serial port Configuration register determine the states of the pins, as
indicated in
Block Diagram Description
Normal operation (see
Select
Blink
Steady On (PLED[3:0]n pin LOW)
Steady Off (PLED[3:0]n pin HIGH)
LED State
Normal
LED Blink
LED On
LED Off
XMT ACT
XMT ACT
XMT ACT
XMT ACT
shows the encoding of the output select bits.
PLED4n
Bits”)
Table 2.7
Copyright © 2000, 2001, 2002 by LSI Logic Corporation. All rights reserved.
LED Pin
LED pin reflects the functions selected with the
LED_DEF[1:0] bits
LED output driver continuously toggles at a rate of 100 ms
on, 100 ms off
LED output driver is LOW
LED output driver is HIGH
and
LINK + ACT
LINK 100
PLED3n
LINK
LINK
Table
Section 2.3.13.2, “LED Normal Function
2.8.
PLED2n
COL
COL
ACT
ACT
PLED1n
FDX
FDX
FDX
FDX
PLED0n
LINK10
10/100
10/100
10/100
2-29
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