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HH1621 PDF даташит

Спецификация HH1621 изготовлена ​​​​«Huahong» и имеет функцию, называемую «32 x 4 LCD Driver».

Детали детали

Номер произв HH1621
Описание 32 x 4 LCD Driver
Производители Huahong
логотип Huahong логотип 

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HH1621 Даташит, Описание, Даташиты
Edited by Foxit PDF Editor
Copyright (c) by Foxit Software Company, 2004
For Evaluation Only.
HH1621
32 x 4 LCD Driver
Features
_ Operating voltage: 2.2V~5.2V
_ Built-in 256kHz RC oscillator
_ External 32.768kHz crystal or 256kHz frequency
source input
_ Selection of 1/2, 1/3 bias, and selection of 1/2, 1/3,
1/4 duty LCD applications
_ Internal time base frequency sources
_ Two selectable buzzer frequencies (2/4kHz)
_ Built-in time base generator and WDT
_ Time base or WDT overflow output
_ Power down command available
_ 8 kinds of time base/WDT clock sources
_ Built-in 32x4 bit display RAM
_ 3-wire serial interface.
_ Internal LCD driving frequency source
_ Software configuration
_ Data mode and command mode instructions
_ R/W address auto increment
_ Three data accessing modes
_ VLCD pin for adjusting LCD operating voltage
General Descriptions
The HH1621 is a 128-pattern (32x4), memory mapping, and multi-function LCD driver. The S/W configuration
feature of the HH1621 makes it suitable for multiple LCD applications including LCD modules and display
subsystems. Only three or four lines are required for the interface between the host controller and the HH1621.
The HH1621 contains a power down command to reduce power consumption.
Block Diagram
BZ
BZ
VDD
GND
CS
WR
RD
DATA
OSCI
OSCO
Tone
Generator
Control
Logic
&
Timing
Generator
Note: CS: Chip selection
BZ, BZ: Tone outputs
WR , RD, DATA: Serial interface
IRQ: Time base or WDT overflow output
COM0~COM3, SEG0~SEG31: LCD outputs
Watchdog Timer &
Time Base Generator
LCD Driver
&
Bias Circuit
Display Memory
IRQ
VLCD
COM0
COM3
SEG0
SEG31
Rev. 1.00
p. 1/1
Last update: 2007-06-27 10:06









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HH1621 Даташит, Описание, Даташиты
Pin Assignment
Edited by Foxit PDF Editor
Copyright (c) by Foxit Software Company, 2004
For Evaluation Only.
HH1621
32 x 4 LCD Driver
2
June 2007









No Preview Available !

HH1621 Даташит, Описание, Даташиты
Edited by Foxit PDF Editor
Copyright (c) by Foxit Software Company, 2004
For Evaluation Only.
HH1621
32 x 4 LCD Driver
Pad Assignment
Pad Coordinates
No. Name
1 CS
2 RD
3 WR
4 DATA
5 GND
6 OSCO
7 OSCI
8 VLCD
9 VDD
10 IRQ
11 BZ
12 BZ
13 COM0
14 COM1
15 COM2
16 COM3
X
-960
-1,019
-1,019
-1,019
-1,019
-1,019
-1,019
-1,019
-1,019
-1,019
-785
-577
-392
-273
-141
-22
Y
1,039
415
295
109
-16
-135
-624
-746
-867
-1,039
-1,039
-1,039
-1,039
-1,039
-1,039
-1,039
No. Name
17 SEG31
18 SEG30
19 SEG29
20 SEG28
21 SEG27
22 SEG26
23 SEG25
24 SEG24
25 SEG23
26 SEG22
27 SEG21
28 SEG20
29 SEG19
30 SEG18
31 SEG17
32 SEG16
X
132
252
371
1,019
1,019
1,019
1,019
1,019
1,019
1,019
1,019
1,019
1,019
1,019
1,019
1,019
Y
-1,039
-1,039
-1,039
-1,028
-909
-789
-670
-551
-431
-312
-192
-73
46
166
284
402
No. Name
33 SEG15
34 SEG14
35 SEG13
36 SEG12
37 SEG11
38 SEG10
39 SEG9
40 SEG8
41 SEG7
42 SEG6
43 SEG5
44 SEG4
45 SEG3
46 SEG2
47 SEG1
48 SEG0
X
1,008
889
770
650
531
411
292
173
53
-66
-185
-305
-424
-544
-663
-782
Y
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
1,039
(Unit: µm)
3
June 2007










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