Zilog Z86193 - Manual (Page 45)

Z8
®
CPU
User Manual
UM001604-0108 Reset
38
Figure 24. Example of Z8 Reset with RESET Pin, WDT, SMR, and POR
256 TpC 256 512 1024 4096
WDT/POR Counter Chain
POR TpC TpC TpC TpC
+
-
M
WDT TAP SELECT
Clear 18 Clock RESET RESET
CLK Generator
4 Clock
Filter
CK CLR
RC
OSC.
U
X
Internal
RESET
2.6 V Operating
Voltage Det.
RESET
From Stop Mode
Recovery Source
Stop Delay
Select (SMR)
WDT
.
VDD
XTAL
WDT Select
(WDTMR)
CLK Source
Select (WDTMR)
2.6V REF