Z86E30 Zilog., Z86E30 Datasheet - Page 48

• Manufacturer Part Number: Z86E30
• Description: Z8 4K OTP Microcontroller
• Manufacturer: Zilog.

Z86E30/E31/E40
Z8 4K OTP Microcontroller
Auto Reset Voltage. An on-board Voltage Comparator
checks that V
operation of the device. Reset is globally driven if V
below V
Note: V
the minimum Power-On Reset time-out (T
48
/Reset
CC
LV
CLK Source
(Figure 35).
must be in the allowed operating range prior to
WDT Select
(WDTMR)
(WDTMR)
CC
From Stop
Select
Recovery
XTAL
is at the required level to ensure correct
Select (SMR)
Source
VDD
VLV
Mode
/WDT
Stop Delay
4 Clock
+
-
Filter
Internal
RC OSC.
2V Operating
Voltage Det.
POR
Figure 34. Resets and WDT
M
).
U
X
P R E L I M I N A R Y
/Clear
CLK
CC
CK
5ms POR
is
/CLR
18 Clock RESET
WDT/POR Counter Chain
5ms
Generator
WDT TAP SELECT
15ms 25ms 100ms
RESET
DS97Z8X0500
Internal
/RESET
Zilog