ZiLOG Z8 User Manual page 43

ZiLOG
/RESET
WDT Select
(WDTMR)
CLK Source
Select (WDTMR)
XTAL
VDD
+
-
2.6V REF
/WDT
.
From Stop Mode
Recovery Source
Stop Delay
Select (SMR)
Figure 4-3. Example of Z8 Reset with RESET Pin, WDT, SMR, and POR
UM001601-0803
4 Clock
Clear
Filter CLK
M
U
RC
X
OSC.
2.6V Operating
Voltage Det.
18 Clock RESET RESET
Generator
WDT TAP SELECT
256 TpC 256 512 1024
POR TpC TpC TpC
WDT/POR Counter Chain
CK CLR
Z8 Microcontrollers
Reset—Watch-Dog Timer
Internal
RESET
4096
TpC
4-5