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Mode selection, Stk17ta8 – Cypress AutoStore STK17TA8 User Manual

Page 11

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STK17TA8

Document #: 001-52039 Rev. **

Page 11 of 23

MODE Selection

E

W

G

A

16

-A

0

Mode

I/O

Power

Notes

H

X

X

X

Not Selected

Output High Z

Standby

L

H

L

X

Read SRAM

Output Data

Active

L

L

X

X

Write SRAM

Input Data

Active

L

H

L

0x04E38

0x0B1C7

0x083E0

0x07C1F

0x0703F

Read SRAM

Read SRAM

Read SRAM

Read SRAM

Read SRAM

Output Data

Output Data

Output Data

Output Data

Output Data

Active

17, 18, 19

0x08FC0

Nonvolatile Store

Output High Z

I

CC2

L

H

L

0x04E38

0x0B1C7

0x083E0

0x07C1F

0x0703F

0x04C63

Read SRAM

Read SRAM

Read SRAM

Read SRAM

Read SRAM

Nonvolatile Recall

Output Data

Output Data

Output Data

Output Data

Output Data

Output High Z

Active

17, 18, 19

Notes

17. The six consecutive addresses must be in the order listed. W must be high during all six consecutive cycles to enable a nonvolatile cycle.
18. While there are 17 addresses on the STK17TA8, only the lower 16 are used to control software modes
19. I/O state depends on the state of G. The I/O table shown assumes G low

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