Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

HT1621 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

Part No. HT1621
Description  RAM Mapping 324 LCD Controller for I/O MCU
Download  21 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo 

HT1621 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

 
Zoom Inzoom in Zoom Outzoom out
 2 / 21 page
background image
Block Diagram
Note:
CS: Chip selection
BZ, BZ: Tone outputs
WR,RD, DATA: Serial interface
COM0~COM3, SEG0~SEG31: LCD outputs
IRQ: Time base or WDT overflow output
Pin Assignment
HT1621/HT1621G
Rev. 2.90
2
November 9, 2010
PATENTED
W a t c h d o g T i m e r
a n d
T i m e B a s e G e n e r a t o r
D i s p l a y R A M
L C D D r i v e r /
B i a s C i r c u i t
C o n t r o l
a n d
T i m i n g
C i r c u i t
D A T A
W R
O S C O
O S C I
C S
R D
C O M 0
C O M 3
S E G 0
S E G 3 1
T o n e F r e q u e n c y
G e n e r a t o r
B Z
B Z
I R Q
V S S
V D D
V L C D
S E G 7
S E G 6
S E G 5
S E G 4
S E G 3
S E G 2
S E G 1
S E G 0
C S
R D
W R
D A T A
V S S
O S C O
O S C I
V L C D
V D D
I R Q
B Z
B Z
C O M 0
C O M 1
C O M 2
C O M 3
S E G 8
S E G 9
S E G 1 0
S E G 1 1
S E G 1 2
S E G 1 3
S E G 1 4
S E G 1 5
S E G 1 6
S E G 1 7
S E G 1 8
S E G 1 9
S E G 2 0
S E G 2 1
S E G 2 2
S E G 2 3
S E G 2 4
S E G 2 5
S E G 2 6
S E G 2 7
S E G 2 8
S E G 2 9
S E G 3 0
S E G 3 1
H T 1 6 2 1 B
4 8 S S O P - A
4 8
4 7
4 6
4 5
4 4
4 3
4 2
4 1
4 0
3 9
3 8
3 7
3 6
3 5
3 4
3 3
3 2
3 1
3 0
2 9
2 8
2 7
2 6
2 5
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
H T 1 6 2 1
4 4 Q F P - B / L Q F P - A
C S
R D
W R
D A T A
V S S
V L C D
V D D
B Z
C O M 0
C O M 1
C O M 2
S E G 1 1
S E G 1 2
S E G 1 3
S E G 1 4
S E G 1 5
S E G 1 6
S E G 1 7
S E G 1 8
S G E 1 9
S E G 2 0
S E G 2 1
C S
R D
W R
D A T A
V S S
O S C O
O S C I
V L C D
V D D
I R Q
B Z
B Z
S E G 1 2
S E G 1 3
S E G 1 4
S E G 1 5
S E G 1 6
S E G 1 7
S E G 1 8
S G E 1 9
S E G 2 0
S E G 2 1
S E G 2 2
S E G 2 3
2 1 2 2 2 3 2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0
4 8
4 1
4 2
4 3
4 4
4 5
4 6
4 7
H T 1 6 2 1 B
4 8 L Q F P - A
N o t e : * P l e a s e n o t e t h a t i n t h e 4 8 - p i n L Q F P p a c k a g e ,
t h e S E G 2 7 a n d S E G 2 8 p i n s a r e n o t i n s e q u e n t i a l o r d e r .


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn