Z86E0412PSC1860 ZILOG [Zilog, Inc.], Z86E0412PSC1860 Datasheet - Page 21

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

PS009201-0301
Option Bit Modes
Table 9. EPROM ARRAY PROGRAM AND VERIFY Mode Conditions (Continued)
Table 10 lists the device’s available option bits and their default states.
Table 10. Option Bit Values*
OPTION BIT PROGRAM AND VERIFY Mode Entry
1. To enter OPTION BIT PROGRAM AND VERIFY mode, all pins must be set as
2. V
3. CLEAR is pulsed High to V
4. V
5. After a delay of at least 1µs minimum, V
NC
OE
EPM
V
CLEAR
CLOCK
PGM
Bit
D0
D1
D2
D3
D4
D5
D6
D7
Note: Option bits are 0 when programmed and 1 when unprogrammed.
PP
per Table 11. The initial state for V
regarding the CLEAR signal.
PP
PP
Option
ROM Protect
Low-EMI Mode
Autolatches
Reserved
Permanent WDT
Reserved
RC Oscillator
32-kHz Oscillator
is raised to V
is lowered to V
Pin 6
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
IH
P r o g r a m m i n g S p e c i f i c a t i o n
IL
.
.
Unprogrammed Default Value
Disabled
Disabled
Enabled
Must be 1
Disabled
Must be 1
Disabled
Disabled
IH
, then Low to V
PP
and CLEAR is V
Pin 7
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
Pin 14
PP
is raised to V
IL
Z8 CMOS OTP Microcontrollers
. See
Z86E02/E04/E08/E09 SL1995
Table 14
IL
while OE is at V
IH
No Connection
See Figure 10
V
V
See Figure 10
See Figure 10
See Figure 10
.
IH
IH
for specifications
IH
.
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