beautypg.com

Adv ance informa t ion – Texas Instruments TMS320 User Manual

Page 65

background image

TMS320E25

SPRS010B — MAY 1987 — REVISED NOVEMBER 1990

POST OFFICE BOX 1443

HOUSTON, TEXAS 77001

65

Protect

Verify

V

PP

V

CC

V

IH

/V

OH

V

IL

/V

OL

V

IH

V

IL

V

IH

V

IL

V

CC + 1

V

CC

V

PP

V

SS

V

IH

V

IL

A4

Q8

V

PP

V

CC

E

G

V

IH

V

IL

V

IH

V

IL

A6

EPT

PGM

HI-Z

HI-Z

HI-Z

Figure 13. EPROM Protect Timing

ADV

ANCE

INFORMA

T

ION