TM1628 데이터 시트보기 (PDF) - Unspecified

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TM1628

LED DRIVER

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深圳市天微电子有限公司

SHENZHEN TI TAN M I CRO ELECTRONI CS CO. , LTD.

MSB

LSB

0 1 - - b3 b2 b1 b0

No Relevant

Mode Setting:

0: Normal Operation

1: Test Mode

Data Write/Read Mode Settings

00 : Write Data to DisplayMode

10 : Read Key data

Address Increment Mode setting (Display Mode):

0: Increment address after data has been written

1: Fixed Address

TM1628 KEY MATRIX & KEY INPUT DATA STORAGE RAM

TM1628 Key Matrix consists of 8 x 2 array as shown below:

K1

K2

Each data entered by each key is stored as follows and read by a READ

Command, starting from the last significant bit. When the most significant

bit of the data (b0) has been read, the least significant bit of the next data (b7)

is read.

K1 K2

K1 K2

SG1/KS1

SG2/KS2

x

SG3/KS3

SG4/KS4

x

SG5/KS5

SG6/KS6

x

SG7/KS7

SG8/KS8

x

b0 b1 b2

b3 b4 b5 b6 b7

Note: b6 and b7 do not care.

Command 3: Address Setting Commands

Address Setting Commands are used to set the address of the display

memory. The address is considered valid if it has a value of 00H to 0DH. If

the address is set to 0EH or higher, the data is ignored until a valid address is

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Tel：86-755-86185092

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Web： www.titanmec.com

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