HT48R70A-1 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
'HT48R70A-1' PDF : 40 Pages View PDF
HT48R70A-1/HT48C70-1
An extra option load time delay is added during system reset (power-up, WDT time-out at normal mode or RES reset).
The functional unit chip reset status are shown below.
Program Counter
000H
Interrupt
Disable
Prescaler
Clear
WDT
Clear. After master reset, WDT begins counting
Timer/Event Counter
Off
Input/Output Ports
Input mode
Stack Pointer
Points to the top of the stack
The states of the registers is summarized in the table.
Register
Reset
WDT Time-out
RES Reset
(Power On) (Normal Operation) (Normal Operation)
TMR0H
xxxx xxxx
xxxx xxxx
xxxx xxxx
TMR0L
xxxx xxxx
xxxx xxxx
xxxx xxxx
TMR0C
00-0 1---
00-0 1---
00-0 1---
TMR1H
xxxx xxxx
xxxx xxxx
xxxx xxxx
TMR1L
xxxx xxxx
xxxx xxxx
xxxx xxxx
TMR1C
00-0 1---
00-0 1---
00-0 1---
Program
Counter
000H
000H
000H
MP0
xxxx xxxx
uuuu uuuu
uuuu uuuu
MP1
xxxx xxxx
uuuu uuuu
uuuu uuuu
ACC
xxxx xxxx
uuuu uuuu
uuuu uuuu
TBLP
xxxx xxxx
uuuu uuuu
uuuu uuuu
TBLH
xxxx xxxx
uuuu uuuu
uuuu uuuu
STATUS
--00 xxxx
--1u uuuu
--uu uuuu
INTC
-000 0000
-000 0000
-000 0000
WDTS
0000 0111
0000 0111
0000 0111
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
1111 1111
1111 1111
1111 1111
PCC
1111 1111
1111 1111
1111 1111
PD
1111 1111
1111 1111
1111 1111
PDC
1111 1111
1111 1111
1111 1111
PE
1111 1111
1111 1111
1111 1111
PEC
1111 1111
1111 1111
1111 1111
PF
1111 1111
1111 1111
1111 1111
PFC
1111 1111
1111 1111
1111 1111
PG
1111 1111
1111 1111
1111 1111
PGC
1111 1111
1111 1111
1111 1111
Note: ²*² stands for ²warm reset²
²u² stands for ²unchanged²
²x² stands for ²unknown²
RES Reset
(HALT)
xxxx xxxx
xxxx xxxx
00-0 1---
xxxx xxxx
xxxx xxxx
00-0 1---
000H
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
--01 uuuu
-000 0000
0000 0111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
WDT Time-out
(HALT)*
uuuu uuuu
uuuu uuuu
uu-u u---
uuuu uuuu
uuuu uuuu
uu-u u---
000H
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
--11 uuuu
-uuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
Rev. 2.10
13
August 7, 2007
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