Z8F16800144ZCOG Zilog, Z8F16800144ZCOG Datasheet - Page 47

• Manufacturer Part Number: Z8F16800144ZCOG
• Description: KIT DEV FOR Z8F642 MCU 44 PIN
• Manufacturer: Zilog
• Series: Z8 Encore!®r
• Type: MCUr

Specifications of Z8F16800144ZCOG

• Contents: Hardware, Software and Documentation
• For Use With/related Products: Z8F642
• For Use With: 269-4661 - KIT ACC ETHERNET SMART CABLE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4678

Reset, Stop Mode Recovery, and 
Low-Voltage Detection
Overview
Reset Types
PS025011-1010
The Reset Controller within the Z8 Encore! XP F1680 Series device controls Reset and
Stop Mode Recovery operation and provides indication of low-voltage supply conditions.
During the operation, the following events cause a Reset:
When the device is in STOP mode, a Stop Mode Recovery is initiated by each of the
following:
The low-voltage detection circuitry on the device features the following:
The Z8 Encore! XP F1680 Series provides various types of Reset operation. Stop Mode
Recovery is considered a form of Reset.
their operating characteristics. The System Reset is longer, if the external crystal oscillator
is enabled by the Flash option bits allowing additional time for oscillator start-up.
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•
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Watchdog Timer (WDT) timeout (when configured by the
Power-On Reset (POR)
Voltage Brownout (VBO) protection
External RESET pin assertion (when the alternate RESET function is enabled by the
GPIO register)
On-Chip Debugger initiated Reset (OCDCTL[0] set to 1)
Watchdog Timer timeout
GPIO Port input pin transition on an enabled Stop Mode Recovery source
Interrupt from a timer or comparator enabled for STOP mode operation
The low-voltage detection threshold level is user-defined
It generates an interrupt when the supply voltage drops below a user-defined level
to initiate a Reset)
P R E L I M I N A R Y
Table 8
Reset, Stop Mode Recovery, and Low-Voltage
on page 34 lists the types of Reset and
Z8 Encore! XP
WDT_RES
Product Specification
®
Flash Option Bit
F1680 Series
33