HT49RA1 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
'HT49RA1' PDF : 58 Pages View PDF
HT49RA1/HT49CA1
Item
Options
LVD/LVR Options
18
LVD function: enable or disable
19
LVR function: enable or disable
20
LVR/LVD voltage: 2.1V/2.2V or 3.15V/3.3V
Carrier Options
21
Carrier duty: 1/2 duty or 1/3 duty
22
Carrier frequency: fSYS/8, fSYS/16, fSYS/32, fSYS/64 for 1/2 duty cycle
23
Carrier frequency: fSYS/12, 1/3 duty cycle
24
Carrier frequency: fSYS/24, fSYS/48, fSYS/96 for 1/2 duty or 1/3 duty cycle
Application Circuits
0 .1 m F
V DD
100kW
0 .1 m F
O SC
C ir c u it
S e e O s c illa to r
S e c tio n
VDD
R eset
C ir c u it
C O M 0~
C O M 3 /S E G 3 2
S E G 4~S E G 31
RES
P A 0~P A 7
VSS
O SC1
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 C 0 /R E M
P D 0 /S E G 0 ~
P D 3 /S E G 3
O SC3
C1
O SC4
C2
33W
VDD
V1
1W
100mF
V bat
V2
220W ~1kW
P C 0 /R E M
LC D
PANEL
0 .1 m F
0 .1 m F
0 .1 m F
Rev. 1.10
41
March 30, 2014
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