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Revision 0.7

28 - 42

with additional features

with photosensor

AS3636

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

Table 13. Xenon Charge Time Register

Addr: 09h

Xenon Charge Time Register

Measure last xenon charging time

Bit

Bit Name

Default Access

Description

7:0

charge_time

00h

R

Xenon charging time; register content is valid if READY=1

00h

0-20ms

01h

20-40ms

02h

40ms-60ms

03h

60ms-80ms

...

...

FEh

5080-5100ms

FFh

>5100ms

Xenon charger time out fault was triggered - see TOF

Table 14. Xenon SST Pulse Length Register

Addr: 0Ah

Xenon SST Pulse Length Register

Xenon strobe test pulse length

Bit

Bit Name

Default Access

Description

7:0

xernon_SST_pulse_lengt

h

1

NVM

R

define Xenon strobe pulse length for register bit

STROBE=1 and for Xenon module self testing - see Self

Testing on page 17

00h

don’t use

01h

1µs

02h

2µs

...

FFh

255µs

1. The resulting timing can vary by +1µs/-0µs (excluding the variation of the internal oscillator), therefore use this

internal pulse generator only for self testing.

Table 15. Xenon Life Time Register MSB

Addr: 0Bh

Xenon Life Time Register MSB

xenon_life_counter_MSB

Bit

Bit Name

Default Access

Description

7:0

xenon_life_counter_MSB

NVM

R

Count the number of flash double-pulses performed and

store in NVM - see AS3636 operating mode on page 10

counter stops at FFFFh

Table 16. Xenon Life Time Register LSB

Addr: 0Ch

Xenon Life Time Register LSB

xenon_life_counter_LSB

Bit

Bit Name

Default Access

Description

7:0

xenon_life_counter_LSB

NVM

R

Count the number of flash double-pulses performed and

store in NVM - see AS3636 operating mode on page 10

counter stops at FFFFh