HT48R062 Просмотр технического описания (PDF) - Holtek Semiconductor
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HT48R062 Datasheet PDF : 31 Pages
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V DD
100kW
0 .1 m F
RES
B a s ic
R eset
C ir c u it
V DD
0 .0 1 m F
100kW
10kW
0 .1 m F
RES
H i-n o is e
R eset
C ir c u it
Reset Circuit
Note:
Most applications can use the Basic Reset Cir-
cuit as shown, however for applications with ex-
tensive noise, it is recommended to use the
Hi-noise Reset Circuit.
HT48R062/HT48C062
H A LT
W DT W DT
T im e - o u t
R eset
RES
O SC1
SST
1 0 -s ta g e
R ip p le C o u n te r
P o w e r - o n D e te c tio n
Reset Configuration
R eset
The chip reset status of the registers is summarized in the following table:
Register
Program Counter
MP
ACC
TBLP
TBLH
WDTS
STATUS
PA
PAC
PB
PBC
Reset
WDT Time-out
RES Reset
(Power-on) (Normal Operation) (Normal Operation)
000H
000H
000H
-xxx xxxx
-uuu uuuu
-uuu uuuu
xxxx xxxx
uuuu uuuu
uuuu uuuu
xxxx xxxx
uuuu uuuu
uuuu uuuu
--xx xxxx
--uu uuuu
--uu uuuu
0000 0111
0000 0111
0000 0111
--00 xxxx
--1u uuuu
--uu uuuu
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
---- -111
---- -111
---- -111
---- -111
---- -111
---- -111
RES Reset
(HALT)
000H
-uuu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
0000 0111
--01 uuuu
1111 1111
1111 1111
---- -111
---- -111
WDT Time-out
(HALT)*
000H
-uuu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
--11 uuuu
uuuu uuuu
uuuu uuuu
---- -uuu
---- -uuu
Note:
²*² means ²warm reset²
²u² means ²unchanged²
²x² means ²unknown²
Rev. 1.21
9
December 30, 2008
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