AS3668_07 datasheet(41/59 Pages) AMSCO

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AS3668

Data Sheet - Detailed Description

Table 38. Pattern Timing Register

0x18 Pattern Timing Register

Bit

Bit Name

Default

Access

Bit Description

5:3

pattern_toff

0x03

R/W

These bits define the value of the parameter toff_CURR. It defines the off

time of CURR1, CURR2, CURR3 and CURR4 in pattern generation mode.

The same value is used for all four current sources in parallel.

000: 0.08s

001: 0.15s

010: 0.28s

011: 0.54s

100: 1.1s

101: 2.1s

110: 4.2s

111: 8.4s

2:0

pattern_ton

R/W

These bits define the value of the parameter ton_CURR. It defines the on

time of CURR1, CURR2, CURR3 and CURR4 in pattern generation mode.

The same value is used for all four current sources in parallel.

000: 0.04s

001: 0.07s

010: 0.14s

011: 0.27s

100: 0.53s

101: 1.1s

110: 2.1s

111: 4.2s

Table 39. Pattern Multiple Pulse Register

0x19 Pattern Multiple Pulse Register

Bit

Bit Name

Default

Access

Bit Description

7:6

multiple_pulse

R/W

Defines the number of multiple pulses applied to all current sources at the

same time.

00: 1 pulse

01: 2 pulses

10: 3 pulses

11: 4 pulses

1:0

tp_led

R/W

These bits define the value of parameter tp_CURR. It defines the pause time

for multiple pulse mode in pattern generation mode.

00: 0ms

01: 150ms

10: 280ms

11: 540ms

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