IT8687R View Datasheet(PDF) - ITE Tech. INC.

Part Name

Description

Manufacturer

IT8687R

I/O Buffer Chip

ITE Tech. INC. 

13.

14.

4. Block Diagram

RTS1#

TX1, DTR1#

RTS2#

TX2, DTR2#

UIF0,UIF1

UIF2,UIF3

UIF4

RX1, CTS1#

DSR1#, RLSD1#

RI1#

RX2, CTS2#

DSR2#, RLSD2#

RI2#

RAD0,RAD1

RAD2

X1

X2

Line

Multiplexer Drivers

COM1,2

signals mixer

Line

Receivers

ISA signals

encoder

Crystal

Oscillator

Amplifier

IT8687R

NRTS1,

NDTR1, NTX1

NRTS2,

NDTR2, NTX2

MODE

NRX1, NCTS1

NDSR1, NRLSD1

NRI1,

NRX2, NCTS2

NDSR2, NRLSD2

NRI2

RESET, AEN

DACK0#, DACK1#

DACK2#, DACK3#

SA12,SA13

SA14,SA15

CLKOUT

2

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