Z86E0412PSC1860 ZILOG [Zilog, Inc.], Z86E0412PSC1860 Datasheet - Page 14

• Manufacturer Part Number: Z86E0412PSC1860
• Description: Z8 CMOS OTP Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

EPROM Modes
Figure 7. Top Level Operations Flow
PS009201-0301
Top Level Operations
The device offers two modes of operation. Table 6 lists the available mode
options.
Table 6. Mode Selections
Figure 7 illustrates the operations available to the user after the device is
unlocked and enters EPROM mode.
Value Description
A
B
Program/Verify/
Overprogram
Operation
EPROM ARRAY
EPROM Array Read and Write modes
Option Bit Program and Verify modes
READ/WRITE
Mode
Operation
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
EPROM Mode Selection
Program/Verify/
Overprogram
into EPROM Mode
Unlock Sequence
Operation
Power-On Reset
to 5.0V
Start
PROGRAM/VERIFY
OPTION BIT
Mode
Operation
READ
Z8 CMOS OTP Microcontrollers
Z86E02/E04/E08/E09 SL1995
Down Sequence
Execute Power
End
Exit
9