Read Sharp UP-3500 (serv.man29) Service Manual online
UP-3500 (V)
HARDWARE DESCRIPTION
– 20 –
5-5. LAN CONTROLLER
LAN9118Rev.C is used.
The MAC address is saved in the EEPROM (93LC46A) .
■ LANC connection
Pin name
(Signal
name)
I/O
Pin Number
Function
D [31:16]
IO
21 - 26, 29 - 33,
36 - 40
36 - 40
Host Data High
D [15:0]
IO
43 - 46, 49 - 53,
56 - 59, 62 - 64
56 - 59, 62 - 64
Host Data Low
A [7:1]
I
12 - 18
Address
nRD
I
92
Read strobe
nWR
I
93
Write strobe
nCS
I
94
Chip select
IRQ
O/OD
72
Interrupt
Reserved
-
71, 73, 75, 84
Reserved
SPEED_SEL
I (PU) 74
100M/10M default
FIFO_SEL
I
76
FIFO Select
TPO+
AO
79
Twisted Pair Transmit
Output, Positive
Output, Positive
TPO-
AO
78
Twisted Pair Transmit
Output, Negative
Output, Negative
TPI+
AI
83
Twisted Pair Receive Input,
Positive
Positive
TPI-
AI
82
Twisted Pair Receive Input,
Negative
Negative
EXRES1
AI
87
PHY external bias resistor
EEDIO,
D32/nD16
D32/nD16
IO
67
EEPROM Data /
Data bus width select
Data bus width select
nEECS
O
68
EEPROM chip select
EECLK
O
69
EEPROM clock
XTAL1
I
6
25MHz crystal input
XTAL2
O
5
25MHz crystal input
nRESET
I (PU) 95
Reset
PME
O
70
Wakeup Indicator
LED3/GPOI2
OD/O/I 100
Full duplex indicator
LED2/GPIO1
OD/O/I 99
Link & Activity indicator
LED1/GPIO0
OD/O/I 98
Speed (100M /10M)
indicator
indicator
RBIAS
AI
10
PLL Bias
ATEST
I
9
Test Pin
VREG
P
2
Power source for Internal
regulator
regulator
VDD_IO
P
20, 28, 35, 42,
48, 55, 61, 97
48, 55, 61, 97
I/O Power
GND_IO
P
19, 27, 34, 41,
47, 54, 60, 96
47, 54, 60, 96
I/O GND
VDD_A
P
81, 85, 89
Analog Power
VDD_A_RB
P
91
Analog Power,
Rev.B is NC (OPEN)
Rev.B is NC (OPEN)
VSS_A
P
77, 80, 86, 88
Analog GND
VSS_A_RB
P
90
Analog GND,
Rev.B is NC (OPEN)
Rev.B is NC (OPEN)
VDD_CORE
P
3, 65
Core voltage decoupling
GND_CORE
P
1, 66
Core GND
VDD_PLL
P
7
PLL Power
VSS_PLL
P
4
PLL GND
VDD_REF
P
8
Reference Power
VSS_REF
P
11
Reference GND
Pin name
(Signal
name)
I/O
Pin Number
Function
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