KS8993 Просмотр технического описания (PDF) - Micrel
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Компоненты Описание
производитель
KS8993 Datasheet PDF : 35 Pages
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KS8993
Pin Number
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Pin Name Type(Note 1)
TEST[1]
I
TEST[2]
I
GND_RCV[2]
GND
VDD_RCV[2]
Pwr
GND_RCV[3]
GND
VDD_RCV[3]
P
VMDIS
I
FFLOW2#
I
PV32
I
PV31
I
PV23
I
FFLOW1#
I
PV21
I
PV13
I
PV12
I
DISAN3
I
Port
2
2
3
3
2
3
3
2
1
2
1
1
3
55
VDD
Pwr
56
GND
GND
57
MTXEN
I
3
58
MTXD[3]
I
3
59
MTXD[2]
I
3
60
MTXD[1]
I
3
61
MTXD[0]
I
3
62
MTXER
I
3
63
MTXCLK
I/O
3
64
MRXDV
O
3
65
MRXD[3]
O
3
66
MRXD[2]
O
3
67
MRXD[1]
O
3
68
MRXD[0]
O
3
69
VDD_IO
Pwr
70
GND
GND
71
MRXCLK
I/O
3
72
MCOL
O
3
73
MCRS
I/O
3
74
MCOLIN
I
3
75
MIIS[1]
I
3
76
MIIS[0]
I
3
Note 1.
Pwr = power supply
GND = ground
I = input
O = output
I/O = bi-directional
May 2005
Micrel
Pin Function
Factory test pin
Factory test pin
Ground for clock recovery circuitry
2.5V for clock recovery circuitry
Ground for clock recovery circuitry
2.5V for clock recovery circuitry
DIScard VLAN Mismatch packets
Force flow control on port 2
Port 3 VLAN Port mask bit 1
Port 3 VLAN Port mask bit 0
Port 2 VLAN Port mask bit 2
Force flow control on port 1
Port 2 VLAN Port mask bit 0
Port 1 VLAN Port mask bit 2
Port 1 VLAN Port mask bit 1
Port 3 auto-negotiation disable (pull this down to enable port 3 auto
negotiation)
2.5V for core digital circuitry
Ground for digital circuitry
MII transmit enable
MII transmit bit 3
MII transmit bit 2
MII transmit bit 1
MII transmit bit 0
MII transmit error
MII output clock
MII receive data valid
MII receive bit 3
MII receive bit 2
MII receive bit 1
MII receive bit 0
2.5V or 3.3V for MII interface, LEDs and other digital I/O
Ground for digital circuitry
MII input clock
MII collision detect output
MII carrier sense
MII collision detect input
MII mode select bit 1
MII mode select bit 0
7
KS8993
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