Read Sharp AR-NB2A (serv.man2) Service Manual online
AR-NB2A ELECTRICAL SECTION 7 - 1
[7] ELECTRICAL SECTION
TMPR4927TB
PCIC
EBIF
SDRAMC
EBUSC
100MHz/64bit
System
BUS
256Kbit
Serial
EEPROM
Tx49Core
G-Bus
Bridge
IM-Bus
ADDR[19:0]
DATA[63:0]
MEMA[14:5]
CPUCLK
=
200MHz
OSC
25MHz
MEMD[15:0]
MEMD[31:16]
4Pin
Connector
(RS-232C
Connector)
PCI
Connector
Ethernet
Connector
USB
Connector
UARTCh1
DP83816
(MAC/PHY)
USB2.0
ISP1561
33MHz/32bit
PCI
BUS
RTC
12MHz
32.768KHz
PIO
LCX14
On
Board
64MB
SDRAM0
(H)
256Mbit
SDRAM0
(L)
256MB(Max)
256Mbit
SPD
SDRAM1
SO_DIMM
MEMD[63:0]
AHCT125
LCH
LD[31:0]
LCX245
Flash
SO-DIMM
slot012MB
or16MB
3.3V
LA[20:0]
LD[31:0]
LCX244
BUSSPRT
MEMD[31:0]
Flash
SO-DIMM(Mask
ROM)
slot232MB
ACE
LCX373
LD[31:0]
Flash
SO-DIMM
slot18MB
IRC
UART
LVC125
1.
BLOCK
DIAGRAM
5
5
4
4
3
3
21
21
D
D
C
C
B
B
A
A
1/16
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