H49R50A-1 Datasheet, PDF (2/45 Pages) Holtek Semiconductor Inc – LCD Type 8-Bit MCU

HT49R50A-1/HT49C50-1/HT49C50L
Block Diagram
P ro g ra m
m e m o ry
P ro g ra m
C o u n te r
STAC K
In te rru p t
C ir c u it
IN T C
In s tr u c tio n
R e g is te r
MP
M
U
D ATA
M e m o ry
X
In s tr u c tio n
D ecoder
T im in g
G e n e r a tio n
O SC2
O SC4
O SC1
RES
VDD
VSS
O SC3
M UX
A LU
S h ifte r
STATU S
BP
ACC
LC D
M e m o ry
L C D D r iv e r
C O M 0~
COM 2
C O M 3/
S E G 32
S E G 0~
S E G 31
TM R 0C
M
U
TM R 0
X
PFD 0
TM R 1C
M
TM R 1
U
X
PFD 1
fT 1 D
fS Y S
R TC O ut
P B 2 /T M R 0
P B 3 /T M R 1
TM R 0O V
fS Y S
T im e B a s e O u t
fT 1 D
R TC
W DT
T im e B a s e
S Y S C L K /4
M
U
R TC O SC
X
W DT O SC
PC
PO RT B
PB
PO RT A
PA
H A L T E N /D IS
P C 0~P C 3
P B 0 /IN T 0
P B 1 /IN T 1
P B 2 /T M R 0
P B 3 /T M R 1
P B 4~P B 7
P A 0 /B Z
P A 1 /B Z
PA2
P A 3 /P F D
P A 4~P A 7
L V D /L V R
O SC3
O SC4
Rev. 2.00
2
November 29, 2005