BH66F5233 Datasheet, PDF (52/137 Pages) Holtek Semiconductor Inc – 24-Bit Delta Sigma A/D MCU

BH66F5233
24-Bit Delta Sigma A/D MCU
The following table indicates the way in which the various components of the microcontroller are
affected after a power-on reset occurs.
Item
Program Counter
Interrupts
WDT, Time Bases
Timer Module
Input/Output Ports
Stack Pointer
Condition After RESET
Reset to zero
All interrupts will be disabled
Clear after reset, WDT begins counting
Timer Module will be turned off
I/O ports will be setup as inputs
Stack Pointer will point to the top of the stack
The different kinds of resets all affect the internal registers of the microcontroller in different ways.
To ensure reliable continuation of normal program execution after a reset occurs, it is important to
know what condition the microcontroller is in after a particular reset occurs. The following table
describes how each type of reset affects each of the microcontroller internal registers.
Register
Name
IAR0
MP0
IAR1
MP1
BP
ACC
PCL
TBLP
TBLH
TBHP
STATUS
RSTFC
SCC
HIRCC
PA
PAC
PAPU
PAWU
RSTC
LVRC
LVDC
MFI0
MFI1
WDTC
INTEG
INTC0
INTC1
INTC2
PB
PBC
PBPU
PC
PCC
Power On
Reset
0000 0000
0000 0000
0000 0000
0000 0000
---- ---0
xxxx xxxx
0000 0000
xxxx xxxx
xxxx xxxx
---- -xxx
--00 xxxx
---- 0x00
000- 0000
---- 0001
1111 1111
1111 1111
0000 0000
0000 0000
0101 0101
0101 0101
--00 0000
--00 --00
--00 --00
0101 0011
---- 0000
-000 0000
-000 -000
--00 --00
---- 1111
---- 1111
---- 0000
---- --11
---- --11
LVR Reset
(FAST)
0000 0000
0000 0000
0000 0000
0000 0000
---- ---0
uuuu uuuu
0000 0000
uuuu uuuu
uuuu uuuu
- - - - - uuu
- - uu uuuu
- - - - uuuu
000- 0000
---- 0001
1111 1111
1111 1111
0000 0000
0000 0000
0101 0101
0101 0101
--00 0000
--00 --00
--00 --00
0101 0011
---- 0000
-000 0000
-000 -000
--00 --00
---- 1111
---- 1111
---- 0000
---- --11
---- --11
LVR Reset
(IDLE/SLEEP)
0000 0000
0000 0000
0000 0000
0000 0000
---- ---0
uuuu uuuu
0000 0000
uuuu uuuu
uuuu uuuu
- - - - - uuu
- - 0 1 uuuu
- - - - uuuu
000- 0000
---- 0001
1111 1111
1111 1111
0000 0000
0000 0000
0101 0101
0101 0101
--00 0000
--00 --00
--00 --00
0101 0011
---- 0000
-000 0000
-000 -000
--00 --00
---- 1111
---- 1111
---- 0000
---- --11
---- --11
WDT Time-out
(FAST)
0000 0000
0000 0000
0000 0000
0000 0000
---- ---0
uuuu uuuu
0000 0000
uuuu uuuu
uuuu uuuu
- - - - - uuu
- - 1 u uuuu
- - - - uuuu
000- 0000
---- 0001
1111 1111
1111 1111
0000 0000
0000 0000
0101 0101
0101 0101
--00 0000
--00 --00
--00 --00
0101 0011
---- 0000
-000 0000
-000 -000
--00 --00
---- 1111
---- 1111
---- 0000
---- --11
---- --11
WDT Time-out
(IDLE/SLEEP)
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
---- ---u
uuuu uuuu
0000 0000
uuuu uuuu
uuuu uuuu
- - - - - uuu
- - 1 1 uuuu
- - - - uuuu
uuu - uuuu
- - - - uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
- - uu uuuu
- - uu - - uu
- - uu - - uu
uuuu uuuu
- - - - uuuu
- uuu uuuu
- uuu - uuu
- - uu - - uu
- - - - uuuu
- - - - uuuu
- - - - uuuu
- - - - - - uu
- - - - - - uu
Rev. 1.00
52
June 30, 2016