AS3675 datasheet(40/81 Pages) AMSCO

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AS3675

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

8.4.6

PWM Generator

pattern_slow

0R/W

Pattern timing control

normal mode

slow mode (all pattern times are increased by a

factor of eight)

Table 54. Pattern End

Addr: 54h

Pattern End

Bit

Bit Name

Default Access

Description

pattern_end

pattern_end is toggled from 0 to 1 (or from 1 to 0) at each

end of the pattern just before restarting of the internal

pattern generator at the first bit of the pattern data

(can be used to synchronize the baseband software to the

pattern generator)

1. pattern_end toggles whenever the AS3675 is in active mode (see Section 8.12 Operating Modes on page 71)

even if no pattern data has been setup.

Table 55. LED Pattern timing

pattern_slow

pattern_delay2 pattern_delay[1..0]

bit duration [ms]

delay [s]

between

patterns

pattern

duration [s]

(total cycle

time:

pattern +

delay)

delay between patterns

pattern_color=0 pattern_color=1

100

31100

100

31100

250

800

250

800

250

800

250

800

250

800

250

800

250

800

250

800

1. Even by setting 000 for pattern delay, there is a small delay before the new patterns starts.

Table 53. gpio current

Addr: 2Ch

gpio current

Bit

Bit Name

Default Access

Description

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