HT56R666 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
'HT56R666' PDF : 104 Pages View PDF
HT56R66/HT56R666
No.
Options
PINTB Option
22 External peripheral interrupt or Segment function
Timer/Event Counter and External Interrupt Pins Filter Option
23 Interrupt and Timer/Event Counter input pins internal filter On/Off control - applies to all pins
Lock Options
24 Lock All
25 Partial Lock
Application Circuits
Application Circuit for HT56R66
V DD
0 .0 1 m F
C O M /S E G
VDD
P A 0 /B Z
0 .1 m F
1N 4148
10kW ~
100kW
300W
R eset
C ir c u it
P A 1 /B Z
PA2
RES
P A 3 /P F D
P A 4 /T M R 2
0 .1 ~ 1 m F
P A 5 /T M R 3
P A 6,P A 7
VSS
P B 0 /A N 0
P B 7 /A N 7
P C 0~P C 7
P D 0 /P W M 0
P D 3 /P W M 3
O SC
C ir c u it
O SC1
O SC2
P D 4 /IN T 0
P D 5 /IN T 1
P D 6 /T M R 0
P D 7 /T M R 1
C1
O SC
O SC3
C2
C ir c u it
O SC4
V1
VM AX
V LC D 1
V LC D 2
LC D
P anel
0 .1 m F
0 .1 m F
V DD
0 .1 m F
V DD
R O SC
470pF
O SC1
fS Y S /4 O S C 2
C1
O SC1
R P1
O SC2
C2
C3
O SC3
R P2
O SC4
C4
R C S y s te m O s c illa to r
4 7 k W < R O S C < 1 .5 M W
C r y s ta l/R e s o n a to r
S y s te m O s c illa to r
F o r d e ta ils r e g a r d in g
C 1 , C 2 a n d R P1,
c h e c k O s c illa to r s e c tio n
3 2 7 6 8 H z C ry s ta l
O s c illa to r
F o r d e ta ils r e g a r d in g
C 3 ,C 4 a n d R P 2 ,
c h e c k O s c illa to r s e c tio n
O SC3
O S C 3 , O S C 4 F lo a tin g
O SC4
O S C C ir c u it
Rev. 1.40
86
May 11, 2012
Share Link: 
