IS31FL3194-CLS2-TR Datasheet IS31FL3194-CLS2-TR | P7-P9

IS31FL3194

Integrated Silicon Solution, Inc. – www.issi.com 7

Rev. B, 08/04/2017

Figure 4 Writing to IS31FL3194 (Typical)

Figure 5 Writing to IS31FL3194 (Automatic Address Increment)

Figure 6 Reading from IS31FL3194

IS31FL3194

Integrated Silicon Solution, Inc. – www.issi.com 8

Rev. B, 08/04/2017

Table 1 REGISTERS DEFINITIONS

Address Name Function R/W Table Default

00h Product ID

For read only, read result is

0xCE

R - 1100 1110

01h Operating Configure Register

Set software shutdown mode

and operation mode

W 2 0000 0000

02h Output Enable Register Output enable bit W 3 0000 0111

03h Current Band Register

Set current band of each

Output

W 4 0001 0101

04h Hold Function Register

Set the hold function of each

Output

W 5 0000 0000

0Dh/0Eh/0Fh P1/P2/P3 State Register

For reading the pattern

running state

R 6 0000 0000

10h/21h/32h

OUT1/OUT2/OUT3 Current Level

Output current level data

W 7 0000 0000

10h~12h/

20h~22h/

30h~32h

Color 1 Setting Register of P1/P2/P3

Output current level data

W 8 0000 0000

13h~15h/

23h~25h/

33h~35h

Color 2 Setting Register of P1/P2/P3

Output current level data

W 9 0000 0000

16h~18h/

26h~28h/

36h~38h

Color 3 Setting Register of P1/P2/P3

Output current level data

W 10 0000 0000

19h/29h/39h P1/P2/P3 TS &T1 Setting Register Set the TS~T1 time W 11 0000 0000

1Ah/2Ah/3Ah P1/P2/P3 T2 &T3 Setting Register Set the T2~T3 time W 12 0000 0000

1Bh/2Bh/3Bh P1/P2/P3 TP &T4 Setting Register Set the TP~T4 time W 13 0000 0000

1Ch/2Ch/3Ch P1/P2/P3 Color Enable Register Set the color enable/disable W 14 0000 0001

1Dh/2Dh/3Dh P1/P2/P3 Color Cycle Times Register Set color repeat time W 15 0000 0000

1Eh/2Eh/3Eh P1/P2/P3 NXT Register

Set next step and Gamma of

each pattern

W 16~18 0000 0001

1Fh/2Fh/3Fh P1/P2/P3 Loop Times Register Set the loop time of P1~P3 W 19 0000 0000

40h Color Update Register Update color data W

- -

41h/42h/43h P1/P2/P3 Update Register

Update the time data and

start to run pattern

4Fh Reset Register

Reset the registers value to

default

Note: When T1 or T3= 0.03s, GAM will be set to 10 (Linearity).

IS31FL3194

Integrated Silicon Solution, Inc. – www.issi.com 9

Rev. B, 08/04/2017

Table 2 01h Operating Configure Register

Bit D7 D6:D4 D3 D2:D1 D0

Name - OUT3:OUT1 - RGB SSD

Default - 000 - 00 0

The Operating Configure Register sets software

shutdown and operation modes of IS31FL3194.

SSD Software Shutdown Enable

0 Software shutdown mode

1 Normal operation

RGB LED Mode

00/11 Single mode

01 RG+W mode, OUT1 and OUT2 work

together, OUT3 work independent

10 RGB mode, three outputs work together

OUTx Output Operating Mode

0 Current Level Mode

1 Pattern Mode

Table 3 02h Output Enable Register

Bit D7:D3 D2:D0

Name - EN3:EN1

Default 00000 111

The Output Enable Register enables/disables the

outputs independently.

ENx Output Enable Control

0 Output disable

1 Output enable

Table 4 03h Current Band Register

Bit D7:D6 D5:D4 D3:D2 D1:D0

Name - CB3 CB2 CB1

Default 00 01 01 01

The Current Setting Register stores the current band

of each LED output.

CBx Current Band Setting

00 Band 1: 0mA~10mA, I

MAX

=10mA

01 Band 2: 0mA~20mA, I

MAX

=20mA

10 Band 3: 0mA~30mA, I

MAX

=30mA

11 Band 4: 0mA~40mA, I

MAX

=40mA

Table 5 04h Hold Function Register

Bit D7:D6 D5 D4 D3 D2 D1 D0

Name - HF3 HT3 HF2 HT2 HF1 HT1

Default 00 0 0 0 0 0 0

The Hold Function Register configures hold time for

each output in Pattern Mode.

HTx Hold Time Selection

0 Hold at end of T4 when pattern loop done

(always off)

1 Hold at end of T2 when pattern loop done

(always on)

HFx Hold Function Enable

0 Hold function disable

1 Hold function enable

Table 6 0Dh/0Eh/0Fh P1/P2/P3 State Register

(Read Only)

Bit D7 D6 D5 D4 D3 D2:D0

Name PSx CS3x CS2x CS1x - TXx

Default 0 0 0 0 0 000

ODh is the state of Pattern 1, PS is the pattern

enable or not, CSX is the color enable or not, TX will

show the running position of Pattern 1.

OEh and OFh store the state of Pattern 2 and 3.

TXx Time state

000 Running at TS

001 Running at T1

010 Running at T2

011 Running at T3

100 Running at TP

101 Running at T4

CSXx Color State

0 Running at Color x

1 Running at Color x

PSx Pattern State

0 Running at Pattern x

1 Running at Pattern x

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P23

IS31FL3194-CLS2-TR

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