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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

SC16312 데이터 시트보기 (PDF) - Silan Microelectronics

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SC16312
Silan
Silan Microelectronics Silan
SC16312 Datasheet PDF : 12 Pages
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Silan
Semiconductors
2. KEY MATRIX AND KEY-INPUT DATA STORAGE RAM
The key matrix is made up of a 6 x 4 matrix, as shown below.
KEY1
KEY2
KEY3
KEY4
SC16312
The data of each key is stored as illustrated below, and is read with the read command, starting from the least
significant bit.
KEY1 … KEY4
Seg1/KS1
Seg3/KS3
Seg5/KS5
b0 --------- b3
KEY1 … KEY4
Seg2/KS2
Seg4/KS4
Seg6/KS6
b4 --------- b7
Reading sequence
3. LED PORT
Data is written to the LED port with command, starting from the least port’s least significant bit. When a bit of this
port is 0, the corresponding LED lights; When the bit is 1, the LED turns off. The data of bits 5 through 8 are ignored.
MSB
Don't care
LSB
b3 b2 b1 b0
LED1
LED2
LED3
LED4
On power application, all LEDs are unlit.
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
7

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