AS3668 datasheet(46/60 Pages) AMSCO

46 / 60 page

07h

GPIO Output

gpio_out

0: GPIO pin low

1: GPIO pin high

08h

GPIO Signal

gpio_in

0: GPIO pin low

1: GPIO pin high

PWM control

15h

PWM Control

pwm_dim_shape

0: logarithmic ramp

1: linear ramp

pwm_src

0: internal PWM

1: external PWM

16h

PWM Timing

pwm_dim_speed_up<7:4>

0: immediate 1: 0.12s 2: 0.25s 3: 0.38s 4: 0.51s 5: 0.77s 6: 1.0s 7: 1.6s 8: 2.1s

9: 2.6s 10: 3.1s 11: 4.2s 12: 5.2s 13: 6.2s 14: 7.3s 15: 8.3s

pwm_dim_speed_down

0: immediate 1: 0.12s 2: 0.25s 3: 0.38s 4: 0.51s 5: 0.77s 6: 1.0s 7: 1.6s 8: 2.1s

9: 2.6s 10: 3.1s 11: 4.2s 12: 5.2s 13: 6.2s 14: 7.3s 15: 8.3s

17h

PWM Trigger

start_dim

0: no dimming

1: start log dimming

dim_curr4

0: CURR4 off

1: CURR4 on

dim_curr3

0: CURR3 off

1: CURR3 on

dim_curr2

0: CURR2 off

1: CURR2 on

dim_curr1

0: CURR1 off

1: CURR1 on

Pattern Control

18h

Pattern Timing

pattern_toff<5:3>

000: 0.08s 001: 0.15s 010: 0.28s 011: 0.54s

100: 1.1s 101: 2.1s 110: 4.2s 111: 8.4s

pattern_ton<2:0>

000: 0.04s 001: 0.07s 010: 0.14s 011: 0.27s

100: 0.53s 101: 1.1s 110: 2.1s 111: 4.2s

19h

Multiple Pulse

multiple_pulse<7:6>

00: 1 pulse 01: 2 pulses

10: 3 pulses 11: 4 pulses

tp_led<1:0>

00: 0ms 01: 150ms

10: 280ms 11: 540ms

1Ah

Frame Mask

fmask_curr4<7:6>

00: No frame mask for CURR4

01: Mask 1 frame for CURR4

10: Mask 2 frame for CURR4

11: Mask 3 frame for CURR4

fmask_curr3<5:4>

00: No frame mask for CURR3

01: Mask 1 frame for CURR3

10: Mask 2 frame for CURR3

11: Mask 3 frame for CURR3

fmask_curr2<3:2>

00: No frame mask for CURR2

01: Mask 1 frame for CURR2

10: Mask 2 frame for CURR2

11: Mask 3 frame for CURR2

fmask_curr1<1:0>

00: No frame mask for CURR1

01: Mask 1 frame for CURR1

10: Mask 2 frame for CURR1

11: Mask 3 frame for CURR1

1Bh

Start Control

pattern_phase_out

0: turn off immediately

1: phase out pattern

pattern_enable

0: pattern off

1: start pattern

pattern_start_src

0: Softw. pattern enable

1: GPIO pattern enable

1Ch

Pattern Frame

Start Delay

frame_delay4

0: no delay 1: CURR4 1 frame delay

2: CURR4 2 frames delay 3:CURR4 3 frames delay

frame_delay3

0: no delay 1: CURR3 1 frame delay

2: CURR3 2 frames delay 3:CURR3 3 frames delay

frame_delay2

0: no delay 1: CURR2 1 frame delay

2: CURR2 2 frames delay 3:CURR2 3 frames delay

frame_delay1

0: no delay 1: CURR1 1 frame delay

2: CURR1 2 frames delay 3:CURR1 3 frames delay

1Dh

GPIO toggle

control

gpio_toggle_en

0: disabled

1: enabled

gpio_toggle_framenr

0: 1 frame 1: 2 frames

2: 3 frames 3: 4 frames

ADC Result

26h

adc_select

0: Audip Preamplifier

1: GPIO direct

adc_mode

0: linear ADC

1: logarithmic ADC

adc_on

0: ADC off

1: ADC on

27h

ADC Result

adc_result<3:0>

Table 44. I2C Register Overview

Addr

Name

AS3668 数据表(PDF) 46 Page - ams AG

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