
LC82161B-E
No.7775-5/19
Continued from preceding page.
Pin No.
Pin name
I/O
Pin type
Function
49
M1_TXCLK
I
3IC
MAC1 transmit clock
50
M1_TXD3
O
3O4
MAC1 transmit data
51
M1_TXD2
O
3O4
MAC1 transmit data
52
DVDD2
P
Digital system power supply (+2.5 V)
53
DGND
P
Digital system ground
54
M1_TXD1
O
3O4
MAC1 transmit data
55
M1_TXD0
O
3O4
MAC1 transmit data
56
M1_RXCLK
I
3IC
MAC1 receive clock
57
M1_RXDV
I
3IC
MAC1 receive data valid
58
M1_RXER
I
3IC
MAC1 receive data error
59
M1_RXD3
I
3IC
MAC1 receive data
60
M1_RXD2
I
3IC
MAC1 receive data
61
M1_RXD1
I
3IC
MAC1 receive data
62
M1_RXD0
I
3IC
MAC1 receive data
63
M1_CRS
I
3IC
MAC1 carrier sense
64
M1_COL
I
3IC
MAC1 collision detection
65
M1_MDC
O
3O4
MAC1 MII control clock
66
M1_MDIO
B
3IC/3T4
MAC1 MII control data
67
M2_TXEN
O
3O4
MAC2 transmit enable
68
DVDD3
P
Digital system power supply (+3.3 V)
69
DGND
P
Digital system ground
70
M2_TXCLK
I
3IC
MAC2 transmit clock
71
M2_TXD3
O
3O4
MAC2 transmit data
72
M2_TXD2
O
3O4
MAC2 transmit data
73
M2_TXD1
O
3O4
MAC2 transmit data
74
M2_TXD0
O
3O4
MAC2 transmit data
75
M2_RXCLK
I
3IC
MAC2 receive clock
76
M2_RXDV
I
3IC
MAC2 receive data valid
77
M2_RXER
I
3IC
MAC2 receive data error
78
M2_RXD3
I
3IC
MAC2 receive data
79
M2_RXD2
I
3IC
MAC2 receive data
80
M2_RXD1
I
3IC
MAC2 receive data
81
M2_RXD0
I
3IC
MAC2 receive data
82
M2_CRS
I
3IC
MAC2 carrier sense
83
M2_COL
I
3IC
MAC2 collision detection
84
M2_MDC
O
3O4
MAC2 MII control clock
85
M2_MDIO
B
3IC/3T4
MAC2 MII control data
86
DVDD2
P
Digital system power supply (+2.5 V)
87
DGND
P
Digital system ground
88
BIGEND
I
3ICD
Endian selection
89
DIVCK/PB11
B
3IC/3T4
Divided clock output or I/O port
90
PB10
B
3IC/3T4
91
PB9
B
3IC/3T4
92
PB8
B
3IC/3T4
93
PB7
B
3IC/3T4
94
PB6
B
3IC/3T4
95
PB5
B
3IC/3T4
96
PB4
B
3IC/3T4
97
PB3
B
3IC/3T4
98
PB2
B
3IC/3T4
99
PB1
B
3IC/3T4
100
PB0
B
3IC/3T4
101
PA15
B
3IC/3T4
102
PA14
B
3IC/3T4
103
PA13
B
3IC/3T4
I/O ports
Continued on next page.