W89C841F Datasheet, PDF (20/102 Pages) Winbond – 3-IN - 1 10/100M FAST ETHERNET CONTROLLER

W89C841F/D
LED Interface
SIGNAL NAME
LED_
LNKACT
LED_SPD
LED_
DUPCOL
PIN TYP.
I/O
I/O
I/O
PIN NO.
79
78
77
PIN DESCRIPTION
LED_LNKACT
0: Link up without activity.
1: Link fail or activity is on (flash 100 mS)
LED_SPD
0: 100M.
1: 10M.
LED_DUPCOL
0: Full duplex or collision in half duplex (flash 100 mS)
1: Half duplex and no collision.
Configuration and Test Interface
SIGNAL NAME
CONFIG[1:0]
Scan_EN
PIN TYP.
I
I
PIN NO.
76, 75
74
PIN DESCRIPTION
Configuration
00: Normal mode
01: MAC controller mode (Disable internal PHYceiver
and disable Boot ROM function)
10: PHYceiver mode (Disable MAC Controller and Boot
ROM function)
11: Reserved for testing
Scan Enable
Reserved for testing. This pin should be pulled to low.
Power Pins
SIGNAL NAME
VCCA2
VCC3A
GNDA
VCC
VCC_Core
GND
PIN TYP.
PIN NO.
87, 93
88
84, 89, 94
10, 20, 30, 40, 64,
109, 128
50, 70, 80, 119
1, 11, 21, 31, 41,
51, 65, 71, 81,
110, 118
PIN DESCRIPTION
2.5V Analog Power
3.3V Analog Power
Analog Ground
3.3V I/O Digital Power
2.5V Core Digital Power
Digital Ground
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