Z86E09 Zilog, Z86E09 Datasheet - Page 36

• Manufacturer Part Number: Z86E09
• Description: (Z86E04/E08/E09) CMOS Z8 OTP Microcontrollers
• Manufacturer: Zilog

PS009201-0301
Recommendations to Third-Party Programmers
ZiLOG recommends the top-level flow illustrated in Figure 21 for programming
user code and option bits into OTP.
Figure 21. Third-Party Top-Level Algorithm
ZiLOG recommends that third-party programmers offer the following features for
OTP operations.
•
•
•
•
•
Blank check
Examine OTP code
Program/verify code and option bits
Verify code
Checksum of OTP
Download User Code
PROGRAM/VERIFY
PROGRAM/VERIFY
Select Option Bits
EPROM ARRAY
EPROM READ
P r o g r a m m i n g S p e c i f i c a t i o n
Show as Pass
OPTION BIT
User Code
User Code
to Buffer
Start
Pass
Pass
Pass
Fail
Fail
Fail
Z8 CMOS OTP Microcontrollers
Z86E02/E04/E08/E09 SL1995
Show as Fail
31