www.austriamicrosystems.com/LED-Driver-ICs/AS1119

Revision 1.04

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AS1119

Datasheet - Pinout

4 Pinout

Pin Assignments

Figure 2. Pin Assignments (Top View)

Pin Descriptions

Table 1. Pin Descriptions

Pin Name

Pin Number

Description

VDD1, VDD2,

VDD3

A6, E5, E1

Positive Supply Voltage. Connect to a +2.7V to +5.5V supply. Bypass this pin with 10µF capacitance

to GND1, GND2, GND3.

VCP

F1

Charge-Pump Output Voltage. Connect a 2.2µF capacitor to GND3.

C1-, C1+

B1, C1

Flying Cap 1. Connect a 1µF capacitor.

C2-, C2+

A1, D1

Flying Cap 2. Connect a 1µF capacitor.

GND1

B5

Ground for VDD1. Used for CS0-CS8

GND2

F5

Ground for VDD2. Used for CS9-CS17

GND3

A2

Ground for VDD3. Used for Charge-Pump

SDA

C6

Serial-Data I/O. Open drain digital I/O I²C data pin.

SCL

D6

Serial-Clock Input.

AD0

C5

I²C Address for bit 0. Put to GND or VDD to set I²C addresses.

AD1

D5

I²C Address for bit 1. Put to GND or VDD to set I²C addresses.

RSTN

F6

Reset Input. Pull this pin to logic low to reset all control registers (set to default values) and to put the

SYNC_IN,

SYNC_OUT

B6

Synchronization Clock Input or Output

IRQ

E6

Interrupt Request. Open drain digital Output.

C2-

GND3

CS2

CS1

A1

A2

A3

A4

CS5

CS4

CS3

B1

B2

B3

B4

C1+

CS8

CS7

CS6

C1

C2

C3

C4

C2+

CS11

CS10

CS9

D1

D2

D3

D4

VDD3

CS14

CS13

CS12

E1

E2

E3

E4

VCP

CS17

CS16

CS15

F1

F2

F3

F4

CS0

A5

GND1

B5

AD0

C5

AD1

D5

VDD2

E5

GND2

F5

VDD1

A6

SYNC_IN/

SYNC_OUT

B6

SDA

C6

SCL

D6

IRQ

E6

RSTN

F6

C1-