Z86E09 Datasheet, PDF (33/38 Pages) Zilog, Inc. – Z8 CMOS OTP Microcontrollers

Z86E02/E04/E08/E09 SL1995
Z8 CMOS OTP Microcontrollers
28
Figure 18. EPROM ARRAY READ Algorithm
Start
Power-On Reset
V_CC= 5.0V
Send Unlock
Sequence and
Mode A Select
Clear Address
Counter to
First Location
Increment Address
EPROM Verify ^Fail
One Byte
Pass
No
Final Address?
Yes
Device Passed
Device Failed
PS009201-0301
Programming Specification