Z8F0113HJ005EG Datasheet, PDF (44/245 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F0823 Series
Product Specification
29
Bit
Description (Continued)
[4]
External Reset Indicator
EXT
If this bit is set to 1, a Reset initiated by the external RESET pin occurred. A Power-On Reset
or a Stop Mode Recovery from a change in an input pin resets this bit. Reading this register
resets this bit. For POR/Stop Mode Recover event values, please see Table 13.
[3:0]
Reserved
These bits are reserved and must be programmed to 0000 when read.
Table 13. POR Indicator Values
Reset or Stop Mode Recovery Event
POR STOP WDT EXT
Power-On Reset
1
0
0
0
Reset using RESET pin assertion
0
0
0
1
Reset using WDT time-out
0
0
1
0
Reset using the OCD (OCTCTL[1] set to 1)
1
0
0
0
Reset from STOP Mode using DBG Pin driven Low 1
0
0
0
Stop Mode Recovery using GPIO pin transition
0
1
0
0
Stop Mode Recovery using WDT time-out
0
1
1
0
PS024315-1011
PRELIMINARY
Reset Register Definitions