HT49R50 Holtek Semiconductor Inc, HT49R50 Datasheet - Page 21

• Manufacturer Part Number: HT49R50
• Description: 8-Bit Microcontroller
• Manufacturer: Holtek Semiconductor Inc

The states of the registers are summarized below:
Notes: ²*² refers to warm reset
TMR0
TMR0C
TMR1
TMR1C
Program Counter
MP0
MP1
ACC
TBLP
TBLH
STATUS
INTC0
INTC1
RTCC
PA
PB
PC
Register
²u² means unchanged
²x² means unknown
xxxx xxxx
0000 1---
xxxx xxxx
0000 1---
000H
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
-xxx xxxx
--00 xxxx
-000 0000
-000 -000
--00 0111
1111 1111
1111 1111
---- 1111
(Power On)
Reset
uuuu uuuu
0000 1---
uuuu uuuu
0000 1---
000H
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
-uuu uuuu
--1u uuuu
-000 0000
-000 -000
--00 0111
1111 1111
1111 1111
---- 1111
Operation)
Time-out
(Normal
WDT
21
uuuu uuuu
0000 1---
uuuu uuuu
0000 1---
000H
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
-uuu uuuu
--uu uuuu
-000 0000
-000 -000
--00 0111
1111 1111
1111 1111
---- 1111
Operation)
RES Reset
(Normal
uuuu uuuu
0000 1---
uuuu uuuu
0000 1---
000H
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
-uuu uuuu
--01 uuuu
-000 0000
-000 -000
--00 0111
1111 1111
1111 1111
---- 1111
RES Reset
(HALT)
uuuu uuuu
uuuu u---
uuuu uuuu
uuuu u---
000H
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
-uuu uuuu
--11 uuuu
-uuu uuuu
-uuu -uuu
--uu uuuu
uuuu uuuu
uuuu uuuu
---- uuuu
August 18, 1999
Time-out
(HALT)*
HT49C50
WDT