z86e54 ZiLOG Semiconductor, z86e54 Datasheet - Page 30
z86e54
Manufacturer Part Number
z86e54
Description
Z8 512 Byte Otp Mcu
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z86E54.pdf
(59 pages)
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PS020102-1003
Port 3, P33–P31. Port 3 is a 3-bit, CMOS-compatible port with three fixed input
(P33–P31) lines. These three input lines can be configured under software control
as digital Schmitt-trigger inputs.
These three input lines are also used as the interrupt sources IRQQ–IRQ3, and as
the timer input signal T
Open Drain
Open
Out
In
1.5
Z8
2.5 Hysteresis V
Figure 10.Port 2 Configuration
IN
Port 2
(Figure 11).
R ~ ~ 500 kΩ
CC
@ 5.0V
Port 0 (I/O)
Auto Latch Option
PAD
Z8
®
512 Byte OTP MCU
Z86E54
24
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