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HT49C50 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

Part # HT49C50
Description  8-Bit Microcontroller
PDF  52 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT49C50 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

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Block Diagram
HT49C50
2
August 18, 1999
Ti m i n g
Ge n e r a t i o n
OS C 2
OS C 1
IN T C
MP
M
U
X
MU X
S h i fte r
PO R T A
PA 0 / BZ
TM R 0
TM R 1
M
U
X
Ti m e r C LK 0 ~ 1
TM R 0 ~ 1
M
U
X
SY S C LK/ 4
PB
PO R T B
WD T O S C
PA 1 / B Z
PA 3 / PF D
PA 4 ~ PA 7
PB0 / I N T 0
PB1 / I N T 1
PB3 / T M R 1
RT C O S C
RT C
ST AC K
BP
CO M 0 ~
CO M 2
SE G 0 ~
SE G 3 1
Ti m e B a s e
WD T
PC
PC 0 ~ PC 3
TM R 0 C
TM R 1 C
PB4 ~ PB7
P r ogr am
RO M
ST AT U S
ALU
RE S
VD D
VS S
I n t e r r upt
Ci r c u i t
I n st r u ct i o n
R egi s t er
P r ogr am
C ount e r
I n st r u ct i o n
D e c oder
LCD
Me m o r y
CO M 3 ~
SEG 3 2
LCD D RI V E R
AC C
DA T A
Me mo r y
PB2 / T M R 0
PA 2
OS C 3
OS C 4
PA



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