HT46R52 Holtek Semiconductor, HT46R52 Datasheet - Page 12

• Manufacturer Part Number: HT46R52
• Description: (HT46R51 / HT46R52) A/D Type 8-Bit OTP MCU
• Manufacturer: Holtek Semiconductor

Note:
The register states are summarized below:
Note:
Rev. 1.40
TMR
TMRC
Program
Counter
MP0
MP1
ACC
TBLP
TBLH
STATUS
INTC
PA
PAC
PB
PBC
PD
PDC
PWM
ADRL
ADRH
ADCR
ACSR
Register
nected to the RES pin as short as possible, to
avoid noise interference.
* Make the length of the wiring, which is con-
* stands for warm reset
u stands for unchanged
x stands for unknown
Reset(Power On)
1111 1111
1111 1111
0100 0000
00-0 1000
-000 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
-xxx xxxx
-xxx xxxx
xxxx xxxx
xxxx xxxx
--00 xxxx
---1 1111
---1 1111
xxxx ----
---- --00
---- ---1
---- ---1
0000H
Reset Circuit
(Normal Operation)
WDT Time-out
uuuu uuuu
uuuu uuuu
uuuu uuuu
1111 1111
1111 1111
0100 0000
00-0 1000
-000 0000
xxxx xxxx
--1u uuuu
xxxx xxxx
xxxx xxxx
-xxx xxxx
-xxx xxxx
---1 1111
---1 1111
xxxx ----
---- --00
---- ---1
---- ---1
0000H
(Normal Operation)
12
RES Reset
uuuu uuuu
uuuu uuuu
uuuu uuuu
1111 1111
1111 1111
0100 0000
00-0 1000
-000 0000
xxxx xxxx
--uu uuuu
xxxx xxxx
xxxx xxxx
-xxx xxxx
-xxx xxxx
---1 1111
---1 1111
xxxx ----
---- --00
---- ---1
---- ---1
0000H
Reset Configuration
Reset Timing Chart
RES Reset
uuuu uuuu
uuuu uuuu
uuuu uuuu
1111 1111
1111 1111
0100 0000
00-0 1000
-000 0000
xxxx xxxx
--01 uuuu
xxxx xxxx
xxxx xxxx
-xxx xxxx
-xxx xxxx
---1 1111
---1 1111
xxxx ----
(HALT)
---- --00
---- ---1
---- ---1
0000H
HT46R51/HT46R52
WDT Time-out
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uu-u uuuu
-uuu uuuu
-uuu uuuu
--11 uuuu
-uuu uuuu
---u uuuu
---u uuuu
uuuu ----
(HALT)*
---- --uu
0000H
---- ---u
---- ---u
July 12, 2005