HT48R70A-1_07 HOLTEK [Holtek Semiconductor Inc], HT48R70A-1_07 Datasheet - Page 13

• Manufacturer Part Number: HT48R70A-1_07
• Description: I/O Type 8-Bit MCU
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

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.
The states of the registers is summarized in the table.
Note:
Rev. 2.10
Program Counter
Interrupt
Prescaler
WDT
Timer/Event Counter
Input/Output Ports
Stack Pointer
TMR0H
TMR0L
TMR0C
TMR1H
TMR1L
TMR1C
Program
Counter
MP0
MP1
ACC
TBLP
TBLH
STATUS
INTC
WDTS
PA
PAC
PB
PBC
PC
PCC
PD
PDC
PE
PEC
PF
PFC
PG
PGC
Register
* stands for warm reset
u stands for unchanged
x stands for unknown
(Power On)
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
-000 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
--00 xxxx
00-0 1---
00-0 1---
Reset
000H
000H
Disable
Clear
Clear. After master reset, WDT begins counting
Off
Input mode
Points to the top of the stack
(Normal Operation)
WDT Time-out
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
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
-000 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
--1u uuuu
00-0 1---
00-0 1---
000H
13
(Normal Operation)
RES Reset
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
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
-000 0000
0000 0111
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
--uu uuuu
00-0 1---
00-0 1---
000H
HT48R70A-1/HT48C70-1
RES Reset
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
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
-000 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
--01 uuuu
00-0 1---
00-0 1---
(HALT)
000H
WDT Time-out
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 uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
August 7, 2007
-uuu uuuu
uuuu uuuu
--11 uuuu
uu-u u---
uu-u u---
(HALT)*
000H