Yamaha MCX-1000 Service Manual page 51

IC501 : LAN91C111 (MAIN P.C.B.)
Ethernet
VDD 1
nCSOUT 2
IOS0 3
IOS1 4
IOS2 5
ENEEP 6
EEDO 7
EEDI 8
EESK 9
EECS 10
AVDD 11
RBIAS 12
AGND 13
TPO+ 14
TPO- 15
AVDD 16
TPI+ 17
TPI- 18
AGND 19
nLNK 20
LBK 21
nLEDA 22
nLEDB 23
GND 24
MDI 25
MDO 26
MCLK 27
nCNTRL 28
INTR0 29
RESET 30
nRD 31
nWR 32
Pin No.
Name
TQFP
81-92 Address
78-80 Address
41 Address
Enable
94-97 nByte Enable
LAN91C111-
FEAST
128 PIN TQFP
Buffer
Symbol
Type
A4-A15 I** Input signal. This signal is double signed by LAN91C111 to
determine access to the register of LAN91C111.
A1-A3 I** Input signal. Used by LAN91C111 to select of the internal register.
AEN I** Input signal. Used for approval of double signing of the address. The
address can be double signed only when AEN is in the low state.
nBE0- I** Input signal. Used to determine the register being accessed and the
nBE3 access width while accessing the register of LAN91C111. When
nDATACS is in the low state (burst accessing), nBE0 to nBE3 are
ignored because 32-bit transmission is assumed.
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
TM
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
Function
MCX-1000
nBE2
nBE1
nBE0
GND
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
VDD
D8
D9
D10
D11
GND
D12
D13
D14
D15
GND
D16
D17
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