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Revision 1.04

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AS1119

Datasheet - Regi s t er Description

AS1119 Config Register (0x04)

In this register the configuration of the charge pumps is set to 2 or 3 blocks. The direction of the SYNC_IN/SYNC_OUT pin (input or output) is

also set. Per default this register is set to 0x00.

3:0

number of displayed

current sources in one

frame

(scan-limit)

0111

R/W

2 Matrix setting

Matrix A

Matrix B

0000: CS0

0001: CS0 to CS1

0010: CS0 to CS2

0011: CS0 to CS3

0100: CS0 to CS4

0101: CS0 to CS5

0110: CS0 to CS6

0111: CS0 to CS7

1000: CS0 to CS8

0000: CS0

0001: CS0 to CS1

0010: CS0 to CS2

0011: CS0 to CS3

0100: CS0 to CS4

0101: CS0 to CS5

0110: CS0 to CS6

0111: CS0 to CS7

1000: CS0 to CS8

3 Matrixes setting

Matrix A

Matrix B

Matrix C

0000: CS0

0001: CS0 to CS1

0010: CS0 to CS2

0011: CS0 to CS3

0100: CS0 to CS4

0101: CS0 to CS5

0000: CS6

0001: CS6 to CS7

0010: CS6 to CS8

0011: CS6 to CS9

0100: CS6 to CS10

0101: CS6 to CS11

0000: CS12

0001: CS12 to CS13

0010: CS12 to CS14

0011: CS12 to CS15

0100: CS12 to CS16

0101: CS12 to CS17

Table 20. AS1119 Config Register Format

0x04 AS1119 Config Register

Bit

Bit Name

Default

Access

Bit Description

7:3

-

00000

n/a

2:1

Sync

00

R/W

00: internal oscillator is system-clk. No synchronisation on pin B6. Tie pin to

high or low.

01: internal oscillator is system-clk. System-clk is available on pin B6 for

synchronization. (output)

10: internal oscillator is disabled. Pin B6 is used as clk input for system-clk.

11: do not use

0

Matrix Configuration

0

R/W

0: 3 matrixes (à 5x6 LED-Matrix)

1: 2 matrixes (à 8x9 LED-Matrix)

Table 19. Display Option Register Format

0x03 Display Option Register

Bit

Bit Name

Default

Access

Bit Description