Cypress STK11C68-5 Manual do Utilizador descarregar pdf (Página 2)

STK11C68-5 (SMD5962-92324)

Document Number: 001-51001 Rev. *A Page 2 of 15

Pinouts

Pin Definitions

Pin Name Alt I/O Type Description

–A

Input Address Inputs. Used to select one of the 8,192 bytes of the nvSRAM.

-DQ

Input/Output Bidirectional Data I/O Lines. Used as input or output lines depending on operation.

Input

Write Enable Input, Active LOW. When the chip is enabled and WE is LOW, data on the I/O

pins is written to the specific address location.

Input Chip Enable Input, Active LOW. When LOW, selects the chip. When HIGH, deselects the

chip.

Input

Output Enable, Active LOW. The active LOW OE input enables the data output buffers during

read cycles. Deasserting OE

HIGH causes the I/O pins to tristate.

Ground Ground for the Device. The device is connected to ground of the system.

Power Supply Power Supply Inputs to the Device.

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

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723

Figure 1. Pin Diagram - 28-Pin DIP

Figure 2. Pin Diagram - 28-Pin LLC

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