Z86E0412PSC1860 ZILOG [Zilog, Inc.], Z86E0412PSC1860 Datasheet - Page 12

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

Figure 6. Unlock Sequence
Note:
PS009201-0301
1. The device enters EPROM mode at this point when X
X
IRESET
CLOCK
CLEAR
Port 27
Port 26
Port 25
Port 24
Port 23
Port 22
Port 21
Port 20
IN
X
PGM
EPM
(CE)
OUT
V
V
OE
CC
PP
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
5V
0V
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
No Connection
P r o g r a m m i n g S p e c i f i c a t i o n
IN
goes Low.
Z8 CMOS OTP Microcontrollers
Z86E02/E04/E08/E09 SL1995
1
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