TC7109 View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

TC7109

12-Bit μA-Compatible Analog-to-Digital Converters

Microchip Technology 

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TC7109/A

Address Bus

Control Bus

Data Bus

GND

Analog In

GND

MODE CE/LOAD

RD WR D7 - D0 A0 - A1

B9 - B12

POL, OR

6

PA5 - PA0

CS

RUN/HOLD

TC7109A B1 - B8

STATUS

HBEN LBEN

8

STBA

1mF

10kW

PC6 μPD8255A

PB7 - PB0

PC4

μPD8748H/49H

INTRA

PC6

INTR

+5V

(See Text)

FIGURE 4-4:

Full Time Parallel Interface to μPD8748H/494 Microcontrollers

Address Bus

Control Bus

Data Bus

Analog In

B9 - B12

POL, OR

6

B1 - B8 8

TC7109A

CE/LOAD

SEND

RUN/HOLD

MODE

STBA

IBFA

RD WR D7 - D0 A0 - A1

CS

PA7 - PA0

μPD8255A

PC4

(Mode 1)

PC5

PC6

PC7

PC3

μPD8748H/49H

INTR

FIGURE 4-5:

TC7109A Handshake Interface to μPD8748H/494 Microcontrollers

© 2006 Microchip Technology Inc.

DS21456C-page 19

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