ACD82224 Datasheet, PDF (48/77 Pages) List of Unclassifed Manufacturers – 24 Ports 10/100 Fast Ethernet Switch

ARLDI02
H03
ARLDI03
K04
ARLDIV
J04
LED Interface Signals
Pin Name
Location
LEDVLD0
W03
LEDVLD1
Y04
LEDCLK
V03
nLED0
R04
nLED1
R03
nLED2
N03
nLED3
P04
System Control interface Signals
Pin Name
Location
CLK100
AB04
WCHDOG
Y03
SYSERROR
M03
nRESET
TESTEN
CLKSEL
EN16P
ZBTCLK
AB03
D07
D20
AC05
P03
• Bit[11:7] - Source Port ID (0 - 23)
• Bit[6:5] – Look-up Result:
00 – reserved
01 – matched
10 – not matched
11 – forced discard
• Bit[4:0] - Destination Port ID (0 - 23)
I
ARL Data Input Valid: Assertion to indicate start of a new
result on ARLDI[3:0]. Used by ACD80900 only.
I/O
Description
I/O* LED Signal Valid #0 (default low)
POS REG Bit-13: Internal ARL Selected (2K MAC Address
Entry)/ External ARL Selected (11K MAC Address Entry).
I/O* LED Signal Valid #1 (default low)
POS REG Bit-14: PHY IDs Start From 0 or 1
I/O* 2.5 MHz LED Clock
POS REG Bit-12: Frames With Unknown DA Forwarded To
The Dumping Port OR all ports (default low).
I/O* When LEDVLD1 Is High, It's Frame Error Indicator.
POS REG Bit-18: System errors will trigger software/hardware
reset. (default low)
I/O* When LEDVLD1 Is High, It's full duplex Indication.
When LEDVLD1 Is High, It's Collision Indication.
POS REG Bit-17: Flow Control on broadcast queue utilization
enable/disable. (default low)
I/O* When LEDVLD0 Is High, It's Speed (1:10Mbps, 0: 100Mbps).
When LEDVLD1 Is High, It's Receiving Activity.
POS REG Bit-16: Automatic PHY Management
Enabled/Disabled. (default low)
I/O* When LEDVLD0 Is High, It's Link Status.
When LEDVLD0 Is High, It's Transmit Activity.
POS REG Bit-15: Re-Transmit After Excessive Collision/Drop
after Excessive Collision. (default low)
I/O
Description
I
100 MHz Main Clock input
O
Watch dog life pulse. 2.5Mhz continuous clock.
O
System error indication high active. When there is any error
occurs in SYSERR REG, it’s asserted to HIGH.
I
Hardware reset, low active
I
Factory used only. Connect to Ground.
I
Factory used only. Connect to Ground.
I
Factory used only. Connect to Ground.
O
Factory used only. Not Connect
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