IS31FL3216 datasheet(9/16 Pages) ISSI

Part #	IS31FL3216

Description	16 CHANNELS LED DRIVER

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Manufacturer	ISSI [Integrated Silicon Solution, Inc]

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IS31FL3216

Integrated Silicon Solution, Inc. – www.issi.com

9

Rev.A, 12/27/2011

REGISTER DEFINITION

Table 2

Register Function

Address

Name

Function

Table

R/W

Default

00h

Configuration Register

Set the operating mode of IS31FL3216

3

W

1000

0000

01h

LED Control Register

OUT9~OUT16 enable bit

4

W

1111 1111

02h

OUT1~OUT8 enable bit

5

W

03h

Lighting Effect Register

Set the output current and the audio gain

6

W

0000

04h

Channel Configuration

Register

Set the operating mode of

OUT9~OUT16

7

W

05h

GPIO Configuration Register

Set the operating mode of

OUT9~OUT16 as the GPIO port

8

W

06h

Output Port Register

Set the logic level of OUT9~OUT16 as

the output port

9

W

07h

Interrupt Control Register

Set the interrupt function of

OUT9~OUT16

10

W

08h

State Register

Store the state of OUT9~OUT16 as the

input port

11

R

xxxx xxxx

09h

ADC Sample Rate Register

Set the ADC sample rate of the input

signal

12

W

0000

10h~1Fh

PWM Register

Set the PWM duty cycle data

13

W

20h~AFh Frame Register

Store the data of 8 frames

14

W

-

B0h

Update Register

Load PWM Register data

-

W

xxxx xxxx

B6h

Frame Delay Register

Set the delay time between each frame

15

W

0000

B7h

Frame Start Register

Set the start frame in Auto Frame Play

Mode

16

W

Table 3

00h

Configuration Register

Bit

D7

D6:D5

D4

D3:D0

Name

SSD

MODE

AE

-

Default

1

00

0

0000

The Configuration Register sets the operating mode of

IS31FL3216.

SSD

Software Shutdown Enable

0

Software shutdown mode

1

Normal operation

MODE

Operation Mode Selection

00

PWM Control Mode

01

Auto Frame Play Mode

10

Audio Frame Mode

AE

Audio Modulated Enable

0

Output current is set by register

1

Output current is modulated by audio signal

Table 4

01h LED Control Register(OUT9~OUT16)

Bit

D7:D0

Name

OUT16:OUT9

Default

1111 1111

Table 5

02h LED Control Register(OUT1~OUT8)

Bit

D7:D0

Name

OUT8:OUT1

Default

1111 1111

The LED Control Registers store the on or off state of

each channel.

OUTx

LED State

0

LED off

1

LED on

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