Datasheet > HT16K23

HT16K23

更新时间： 2022-11-07 19:46:55

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		驱动控制器
页数	文件大小	规格书
33页	1055K
描述
RAM Mapping 204/168 LCD Controller Driver with keyscan

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数据手册

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HT16K23 数据手册

HT16K23

RAM Mapping 20*4/16*8 LCD Controller Driver with keyscan

Pin Description

Pin Name

Type

Description

SDA

SCL

V_DD

I/O Seꢀial Data Input/Output foꢀ I^ꢃC inteꢀfaꢁe.

Seꢀial Cloꢁk Input foꢀ I^ꢃC.

—

Positive poweꢀ supply foꢀ logiꢁ ꢁiꢀꢁuits.

Negative poweꢀ supply foꢀ logiꢁ ꢁiꢀꢁuitsꢄ gꢀound.

LCD Common output.

V_SS

CO�0 ~ CO�3

SEG0/K0 ~

SEG14/K14

● LCD Segment output.

● Key data inputꢄ inteꢀnal pull-low duꢀing key sꢁan.

I/O

● Wꢂen tꢂe “�” bit of tꢂe mode set ꢁommand is set to “1”ꢄ and tꢂe

“INT/ROW” bit of tꢂe mode set ꢁommand is set to “0”ꢄ tꢂis pin

beꢁomes an LCD Segment output and key data input witꢂ inteꢀnal

pull-low duꢀing key sꢁan.

● Wꢂen tꢂe “�” bit of tꢂe mode set ꢁommand is set to “1”ꢄ and tꢂe

“INT/ROW” bit of tꢂe mode set ꢁommand is set to “1”ꢄ tꢂis pin

beꢁomes an INT pinꢄ inteꢀꢀupt signal out. INT is output aꢁtive-low

wꢂen tꢂe “ACT” bit of mode set ꢁommand is set to “0”ꢄ Tꢂe INT

output is aꢁtive-ꢂigꢂ wꢂen tꢂe “ACT” bit of tꢂe mode set ꢁommand

is set to “1”

SEG15/K15/INT

I/O

● Wꢂen tꢂe “�” bit of tꢂe mode set ꢁommand is set to “0”ꢄ tꢂis

pin beꢁomes an LCD Segment output and a key data input witꢂ

inteꢀnal pull-low duꢀing a key sꢁan.

● Wꢂen tꢂe “�” bit of tꢂe mode set ꢁommand is set to “1”ꢄ tꢂis pin

beꢁomes an LCD Common output.

SEG16/CO�7/K16 ~

SEG18/CO�5/K18

I/O

● Wꢂen tꢂe “�” bit of tꢂe mode set ꢁommand is set to “0”ꢄ and tꢂe

“INT/ROW” bit of tꢂe mode set ꢁommand is set to “0”ꢄ tꢂis pin

beꢁomes a LCD Segment output and a key data input witꢂ inteꢀnal

pull-low duꢀing key sꢁan.

● Wꢂen tꢂe “�” bit of tꢂe mode set ꢁommand is set to “0”ꢄ and tꢂe

“INT/ROW” bit of tꢂe mode set ꢁommand is set to “1”ꢄ tꢂis pin

beꢁomes an INT pinꢄ inteꢀꢀupt signal out. Tꢂe INT output is aꢁtive-

low wꢂen tꢂe “ACT” bit of tꢂe mode set ꢁommand is set to “0”ꢄ

Tꢂe INT output aꢁtive-ꢂigꢂ wꢂen tꢂe “ACT” bit of tꢂe mode set

ꢁommand is set to “1”

SEG19/CO�4/K19/INT I/O

● Wꢂen tꢂe “�” bit of tꢂe mode set ꢁommand is set to “1”ꢄ tꢂis pin

beꢁomes an LCD Common output.

Rev. 1.00

�aꢀꢁꢂ 0ꢃꢄ ꢃ011

1...4 5 678 9 10...33

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