SC16312 Ver la hoja de datos (PDF) - Silan Microelectronics

Número de pieza

componentes Descripción

Fabricante

SC16312

1/4 to 1/11 duty FIP (VFD) controller/driver

Silan Microelectronics 

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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