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Z86L825 Datasheet, PDF (50/79 Pages) Zilog, Inc. – 20-Pin Low-Voltage IR Microcontrollers
Z86L825/826/827
20-Pin Low-Voltage IR Microcontrollers
43
CTR1 D5, D4
P31
MUX
P20
Glitch Filter
Edge Detector
CTR1 D6
CTR1 D3, D2
Figure 31. Glitch Filter Circuitry
Eight-Bit Counter/Timer Circuits
Figure 32 shows the 8-bit counter/timer circuits.
Z8 Data Bus
Pos Edge
Neg Edge
HI8
CTR0 D4, D3
SCLK
Clock
Select
Clock
8-Bit
Counter T8
CTR0 D2
LO8
Z8 Data Bus
TC8H
Figure 32. 8-Bit Counter/Timer Circuits
TC8L
Pos Edge
Neg Edge
IRQ4
CTR0 D1
T8_OUT
PS008808-1203
PRELIMINARY