AS3668 datasheet(43/60 Pages) AMSCO

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AS3668

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

Table 41. Pattern Start Control Register

0x1b Pattern Start Control Register

Bit

Bit Name

Default

Access

Bit Description

pattern_phase_out

R/W

The bit defines the way how a pattern is being stopped when the

pattern_enable register is cleared. If the bit is set to 0 and the

pattern_enable register is cleared the running pattern stops immediately. If

the bit is set to 1 and the pattern_enable is cleared the pattern finishes the

running frame and stops afterwards.

0: Stop pattern immediately

1: Phase-out pattern

pattern_enable

Starts the pattern generation on current sources.

0: Pattern generation off

1: Start of pattern generation

pattern_start_src

R/W

Selects the input source to trigger the pattern generation start.

0: Pattern enable by software bit

1: pattern enable by GPIO/AUDIO_IN

Table 42. Pattern Frame Start Delay Register

0x1c Pattern Frame Start Delay Register

Bit

Bit Name

Default

Access

Bit Description

7:6

frame_delay4

R/W

Defines the start delay of CURR4 in pattern generation mode. Note that

changes in this register are only getting active after a restart of the pattern

generation unit by toggling the pattern_enable bit.

00: No start delay for CURR4

01: 1 frame start delay for CURR4

10: 2 frames start delay for CURR4

11: 3 frames start delay for CURR4

5:4

frame_delay3

R/W

Defines the start delay of CURR3 in pattern generation mode. Note that

changes in this register are only getting active after a restart of the pattern

generation unit by toggling the pattern_enable bit.

00: No start delay for CURR3

01: 1 frame start delay for CURR3

10: 2 frames start delay for CURR3

11: 3 frames start delay for CURR3

3:2

frame_delay2

R/W

Defines the start delay of CURR2 in pattern generation mode. Note that

changes in this register are only getting active after a restart of the pattern

generation unit by toggling the pattern_enable bit.

00: No start delay for CURR2

01: 1 frame start delay for CURR2

10: 2 frames start delay for CURR2

11: 3 frames start delay for CURR2

1:0

frame_delay1

R/W

Defines the start delay of CURR1 in pattern generation mode. Note that

changes in this register are only getting active after a restart of the pattern

generation unit by toggling the pattern_enable bit.

00: No start delay for CURR1

01: 1 frame start delay for CURR1

10: 2 frames start delay for CURR1

11: 3 frames start delay for CURR1

AS3668 Datasheet(PDF) 43 Page - ams AG

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