ht82k68e-l Holtek Semiconductor Inc., ht82k68e-l Datasheet - Page 13

• Manufacturer Part Number: ht82k68e-l
• Description: Ht82k68e-l/ht82k68a-l -- Multimedia Keyboard Encoder 8-bit Mcu
• Manufacturer: Holtek Semiconductor Inc.

The state of the registers is summarized in the following table:
Note:
Rev. 1.10
MP0
MP1
ACC
Program
Counter
TBLP
TBLH
WDTS
STATUS
INTC
TMR
TMRC
PA
PAC
PB
PBC
PC
PCC
PD
PDC
PE
PEC
Register
u stands for unchanged
x stands for unknown
stands for warm reset
(Power On)
0000 0111
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
-xxx xxxx
--00 xxxx
---1 1111
---1 1111
00-0 1---
Reset
000H
(Normal Operation)
WDT Time-out
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
0000 0111
0000 0000
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
-uuu uuuu
-000 0000
--1u uuuu
---1 1111
---1 1111
00-0 1---
000H
Timer Counter
(Normal Operation)
13
RESET Reset
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
0000 0111
0000 0000
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
-uuu uuuu
-000 0000
--uu uuuu
---1 1111
---1 1111
00-0 1---
000H
HT82K68E-L/HT82K68A-L
RESET Reset
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
0000 0111
0000 0000
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
-uuu uuuu
-000 0000
--00 uuuu
---1 1111
---1 1111
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
-uuu uuuu
-uuu uuuu
--11 uuuu
---u uuuu
---u uuuu
uu-u u---
(HALT)
000H
April 2, 2008