HT46R221 Holtek Semiconductor Inc, HT46R221 Datasheet - Page 13

• Manufacturer Part Number: HT46R221
• Description: 8-Bit A/D Type MCU
• Manufacturer: Holtek Semiconductor Inc

The registers states are summarized in the following table.
Note:
Rev. 1.10
TMR
TMRC
Program
Counter
MP
ACC
TBLP
TBLH
STATUS
INTC0
INTC1
PA
PAC
PB
PBC
PC
PCC
PD
PDC
PWM
HADR
HCR
HSR
HDR
ADRL
ADRH
ADCR
ACSR
Register
* stands for warm reset
u stands for unchanged
x stands for unknown
(Power On)
1111 1111
1111 1111
1111 1111
1111 1111
0100 0000
00-0 1000
-000 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
-xxx xxxx
xxxx xxx-
xxxx xxxx
--xx xxxx
--00 xxxx
100- -0-1
0--0 0---
1--- --00
---0 ---0
---- --11
---- --11
---- ---1
---- ---1
x--- ----
Reset
000H
Reset circuit
(Normal Operation)
WDT Time-out
uuuu uuuu
uuuu uuuu
1111 1111
1111 1111
1111 1111
1111 1111
0100 0000
00-0 1000
-uuu uuuu
-000 0000
xxxx xxxx
--uu uuuu
--1u uuuu
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxx-
100- -0-1
0--0 0---
1--- --00
---0 ---0
---- --11
---- --11
---- ---1
---- ---1
x--- ----
000H
(Normal Operation)
13
RES Reset
uuuu uuuu
uuuu uuuu
1111 1111
1111 1111
1111 1111
1111 1111
0100 0000
00-0 1000
-uuu uuuu
-000 0000
xxxx xxxx
--uu uuuu
--uu uuuu
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxx-
100- -0-1
0--0 0---
1--- --00
---0 ---0
---- --11
---- --11
---- ---1
---- ---1
x--- ----
000H
Reset configuration
RES Reset
uuuu uuuu
uuuu uuuu
1111 1111
1111 1111
1111 1111
1111 1111
0100 0000
00-0 1000
-uuu uuuu
-000 0000
xxxx xxxx
--uu uuuu
--01 uuuu
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxx-
100- -0-1
0--0 0---
1--- --00
(HALT)
---0 ---0
---- --11
---- --11
---- ---1
---- ---1
x--- ----
000H
HT46R22/HT46C22
WDT Time-out
October 2, 2002
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uu-u uuuu
-uuu uuuu
uuuu uuu-
--uu uuuu
--11 uuuu
-uuu uuuu
uuu- -u-u
(HALT)*
u--u u---
u--- --uu
---u ---u
---- --uu
---- --uu
---- ---u
---- ---u
u--- ----
000H