PS0801ARS-F datasheet(13/65 Pages) POWERTIP

Part #	PS0801ARS-F

Description	OUTLINE DIMENSION & BLOCK DIAGRAM

PDF	65 Pages

Scroll/Zoom	100%

Manufacturer	POWERTIP [Powertip Technology]

Direct Link	http://www.powertip.com.tw

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13 / 65 page

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Interface With MPU

Example of interfacing to an 8-bit MPU(Z80)

Example of interfacing to a 4-bit MPU

If interface data is 4-bits long

If interface data is 8-bits long

Example of interfacing to an 8-bit MPU(Z80)

Example of interface to a 4-bit MPU

Interface to a 4-bit MPU can be made through the I/O port of the 4-bit MPU. If there are sufficient I/O ports,

data can be transferred at 8-bit cycles, however, if there are not, data transfer can be accomplished by two

cycles of 4-bit transfers (select interface as 4-bits long). Please take into account that 2 cycles of the BF check

will be necessary and the timing sequence will prove to be complicated.

Page 1 of 3

Powertip Technology, Inc.

11/10/2004

http://www.powertipusa.com/mpu.htm

PS0801ARS-F Datasheet(PDF) 13 Page - Powertip Technology