Z86L0408PSC ZILOG [Zilog, Inc.], Z86L0408PSC Datasheet - Page 12
Z86L0408PSC
Manufacturer Part Number
Z86L0408PSC
Description
Z8 8-Bit Cost-Effective Microcontrollers
Manufacturer
ZILOG [Zilog, Inc.]
Datasheet
1.Z86L0408PSC.pdf
(26 pages)
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PIN FUNCTIONS (Continued)
Z86L04/L08
Z8 8-Bit Cost-Effective Microcontrollers
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 or analog inputs.
12
PAD
PAD
PAD
P33 (REF)
P31 (AN1)
P32 (AN2)
+
+
-
-
R247 = P3M
V
cc
Figure 9. Port 3 Configuration
Z8
0 = Digital
1 = Analog
P R E L I M I N A R Y
DIG.
AN.
D1
IRQ 0,1,2 = Falling Edge Detection
IRQ3
These three input lines are also used as the interrupt
sources IRQ0-IRQ3 and as the timer input signal T
ure 9).
= Rising Edge Detection
Port 3
TIN
P31 Data Latch
IRQ2
P33 Data Latch
IRQ1
IRQ3
P32 Data Latch
IRQ0
DS97LVO0901
IN
Zilog
(Fig-
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