SHARP AR-450M
Circuit Diagrams

SysCMD[8:0]

CPU

TMPR4955AF-200

SysAD[31:0]

Data Address Gate Buffer

SysAD[54:33]

Address Buffer Gate

MAA[12:0] SDRAM MD[63:0] 64MByte (128Mbit x 4) SDRAM DIMM
LCD

64/128/256MB

RTC IEEE1284 FAX I/F

LDATA[15:0]

IOA[15:1]

Buffer

I/O G/A SYSTEM Controller Dracula EEPROM (64Kbit) (ASIC1)

IOD[7:0]
Controller

PCI Bus
SDRAM (24MB)

ICU ASIC

HDD PWB (IDE)

JCI-NIC

Engine Scanner I/F RIC I/F I/F

Debug I/F

PM2500 TD62503F DS14C238 LVX161284

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MEMD[31:0] Flash DIMM (8MB) Slot1,2,3 Mask DIMM (32MB) PS Kanji LA[22:2]
(256KB) SRAM