AS3661 datasheet(59/87 Pages) AMSCO

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AS3661

Datasheet - D e t a i l e d D e s c r i p t i o n

Figure 28. LED Test Results vs. Measured Voltage

8.10.19 ENGINE1 VARIABLE A

8.10.20 ENGINE2 VARIABLE A

8.10.21 ENGINE3 VARIABLE A

8.10.22 MASTER FADER1

Table 54. ENGINE1 VARIABLE A Register

ENGINE1 VARIABLE A

Bit

Bit Name

Default

Access

Bit Description

7:0

ENGINE1_

VARIABLE_A

0000 0000

These bits are used for engine 1 as a local variable. The

arithmetic operations with the program execution engine.

Table 55. ENGINE2 VARIABLE A Register

ENGINE2 VARIABLE A

Bit

Bit Name

Default

Access

Bit Description

7:0

ENGINE2_

VARIABLE_A

0000 0000

These bits are used for engine 2 as a local variable. The

arithmetic operations with the program execution engine.

Table 56. ENGINE3 VARIABLE A Register

ENGINE3 VARIABLE A

Bit

Bit Name

Default

Access

Bit Description

7:0

ENGINE3_

VARIABLE_A

0000 0000

These bits are used for engine 3 as a local variable. The

arithmetic operations with the program execution engine.

Table 57. MASTER FADER1 Register

MASTER FADER1

Bit

Bit Name

Default

Access

Bit Description

7:0

MASTER_FADER1

0000 0000

R/W

An 8-bit register to control all the LED-drivers mapped to

MASTER FADER1. Master fader allows the user to control

dimming of multiple LEDS with a single serial bus write. This is

a faster method to control the dimming of multiple LEDs

compared to the dimming done with the PWM registers

(address 0x16 to 0x1E), which would need multiple writes.

140

190

RESULT (DEC)

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