Zilog Z86193 - Manual (Page 46)

Z8
®
CPU
User Manual
UM001604-0108 Reset
39
Figure 25. Example of Z8 Reset with WDT, SMR, and POR
5ms POR 5 ms 15 ms 25 ms 100 ms
WDT/POR Counter Chain
CLK
+
-
M
WDT TAP SELECT
4 Clock
Filter
CLR
Internal
RC OSC.
U
X
2 V Operating
Voltage Det.
From Stop Mode
Recovery Source
Stop Delay
Select (SMR)
WDT
.
V
DD
XTAL
WDT Select
(WDTMR)
CLK Source
Select (WDTMR)
V
LV
Internal
RESET
CLEAR
CLK
18 Clock RESET
Generator
RESET