z8f0813 ZiLOG Semiconductor, z8f0813 Datasheet - Page 31

• Manufacturer Part Number: z8f0813
• Description: High-performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Reset and Stop Mode Recovery
Reset Types
PS024314-0308
The Reset Controller within the Z8 Encore! XP
Mode Recovery operation and provides indication of low supply voltage conditions. In
typical operation, the following events cause a Reset:
•
•
•
•
•
When the device is in STOP mode, a Stop Mode Recovery is initiated by either of the
following:
•
•
The VBO circuitry on the device performs the following function:
•
Z8 Encore! XP F0823 Series provides several different types of Reset operation. Stop
Mode Recovery is considered a form of Reset.
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.
Power-On Reset (POR)
Voltage Brownout (VBO)
Watchdog Timer time-out (when configured by the WDT_RES Flash Option Bit to
initiate a reset)
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 time-out
GPIO port input pin transition on an enabled Stop Mode Recovery source
Generates the VBO reset when the supply voltage drops below a minimum safe level
Table 9
®
F0823 Series controls Reset and Stop
lists the types of Reset and their
Z8 Encore! XP
Reset and Stop Mode Recovery
Product Specification
®
F0823 Series
21