HT48CA1 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
'HT48CA1' PDF : 39 Pages View PDF
HT48RA1/HT48CA1
The states of the registers is summarized in the table.
Register
Reset
WDT Time-out
RES Reset
(Power On) (Normal Operation) (Normal Operation)
MP0
xxxx xxxx
uuuu uuuu
uuuu uuuu
MP1
xxxx xxxx
uuuu uuuu
uuuu uuuu
ACC
xxxx xxxx
uuuu uuuu
uuuu uuuu
Program
Counter
0000H
0000H
0000H
TBLP
xxxx xxxx
uuuu uuuu
uuuu uuuu
TBHP
xxxx xxxx
uuuu uuuu
uuuu uuuu
TBLH
xxxx xxxx
uuuu uuuu
uuuu uuuu
WDTS
0000 0111
0000 0111
0000 0111
STATUS
--00 xxxx
--1u uuuu
--uu uuuu
INTC
-000 0000
-000 0000
-000 0000
TMR0
xxxx xxxx
xxxx xxxx
xxxx xxxx
TMR0C
00-0 1000
00-0 1000
00-0 1000
TMR1H
xxxx xxxx
xxxx xxxx
xxxx xxxx
TMR1L
xxxx xxxx
xxxx xxxx
xxxx xxxx
TMR1C
00-0 1---
00-0 1---
00-0 1---
PA
1111 1111
1111 1111
1111 1111
PAC
1111 1111
1111 1111
1111 1111
PB
1111 1111
1111 1111
1111 1111
PBC
1111 1111
1111 1111
1111 1111
PC
--11 1111
--11 1111
--11 1111
PCC
--11 1111
--11 1111
--11 1111
PF
---- ---1
---- ---1
---- ---1
PFC
---- ---1
---- ---1
---- ---1
Note:
²*² stands for warm reset
²u² stands for unchanged
²x² stands for unknown
RES Reset
(HALT)
uuuu uuuu
uuuu uuuu
uuuu uuuu
0000H
uuuu uuuu
uuuu uuuu
uuuu uuuu
0000 0111
--01 uuuu
-000 0000
xxxx xxxx
00-0 1000
xxxx xxxx
xxxx xxxx
00-0 1---
1111 1111
1111 1111
1111 1111
1111 1111
--11 1111
--11 1111
---- ---1
---- ---1
WDT Time-out
(HALT)*
uuuu uuuu
uuuu uuuu
uuuu uuuu
0000H
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
--11 uuuu
-uuu uuuu
uuuu uuuu
uu-u uuuu
uuuu uuuu
uuuu uuuu
uu-u u---
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
--uu uuuu
---- ---u
---- ---u
Rev. 1.40
13
May 22, 2009
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