z8fmc16100 ZiLOG Semiconductor, z8fmc16100 Datasheet - Page 39

• Manufacturer Part Number: z8fmc16100
• Description: Z8 Encore Motor Control Flash Mcus
• Manufacturer: ZiLOG Semiconductor

Table 9. Reset Status and Control Register (RSTSTAT)
BITS
FIELD
RESET
R/W
ADDR
PS024611-0408
Reset Control Register Definitions
Note:
Reset Status and Control Register
POR
R
7
Writing the
unlocks access to the
bit. The following sequence is required to unlock this register and write the
1. Write
2. Write
3. Write the
All steps of the unlock sequence must be written in the order listed.
The Reset Status and Control register
or Stop Mode Recovery. All status bits are updated on each Reset or Stop Mode Recovery
event.
Stop Mode Recovery event. The RESET pin function is also select with
The
function is selected by writing the unlock sequence followed by the mode to this register.
A software write to the
the
0 = RESET/Fault0 pin is configured as RESET input.
1 = RESET/Fault0 pin is configured as Fault0 input.
If the
the
location is unprogrammed (1) then after reset, the
to 0.
FLTSEL
FLTSEL
FLTSEL
FLTSEL
Table 10
STOP
14h
92h
R
6
14h
bit 7 in the User Flash Option2 byte location.
bit 0 in the RSTSTAT is set to 1. If the
FLTSEL
bit in this register allows software selection of the RESET pin. The pin
bit 7 in the Flash Option2 location is programmed to 0 then after reset,
to the Reset Status and Control register (RSTSTAT).
to the Reset Status and Control register (RSTSTAT).
indicates the possible states of the Reset status bits following a Reset or
,
See
92h
WDT
FLTSEL
Table 10
bit.
unlock sequence to the Reset Status and Control register address
R
5
FLTSEL
bit. The locking mechanism prevents spurious writes to this
bit 0 in the RSTSTAT register overrides the value set by
EXT
R
4
(Table
FF0H
9) records the cause of the most recent Reset
FLT
R
3
FLTSEL
FLTSEL
Z8FMC16100 Series Flash MCU
Reset Control Register Definitions
bit 7 in the Flash Option2
bit 0 in the RSTSTAT is set
2
Reserved
Product Specification
R
1
FLTSEL
FLTSEL
FLTSEL
bit.
R/W
0
u
bit:
27