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Unibrain Fire-i 52x/620/720/820 Operation Manual Page 45

4.6. Memory Save / Load

The setting of the camera features and video mode can be stored in a non-volatile memory. Our camera supports

16 memory channels as per the table below for user to conveniently save and load different features as well as

video modes.

Address Name Bit Description

[0] Saves the current setting 618h Memory_Save

[1..31] Reserved

Address Name Bit Description

[0] Factory Default Setting Cannot overwrite

[1..4] Write Channel for Memory Save for Channel 1 ~ 4

( Only for Features )

620h Mem_Save_Ch

[5..15] Write Channel for Memory Save for Channel 5 ~ 15

(For Features, Format and Mode Save)

Address Name Bit Description

[0] Read and Load Factory Default Setting

[1..4] Read and Load Memory Channel 1 ~ 4

624h Cur_Save_Ch

[5..15] Read and Load Load Memory Channel 5 ~ 15

User Defined FireWire Register Control

Address Description( bit : msb*) Read/Write

0xF2F1011C Power on default memory channel

Bit 0 ~ Bit 3 : power on initial memory channel

Read/Write

4.7. Time Stamp Register

Time stamp register may be inquired from the Native FireWire Bus (IEEE-1394.a) CYCLE_TIME registers as follows.

You may also get the same value from user defined registers ( See Chap. 6.1) but we recommend using this.

Address Description( bit : msb*) Read/Write

0xF0000200 CYCLE_TIME

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

SECONDS COUNT CYCLE COUNT CYCLE OFFSET

Bit Numbe r Bit Nam e Function DIR Description

0 - 6

7 - 19

20 - 31

SECONDS COUNT

CYCLE COUNT

CYCLE OFFSET

Seconds Coun t

Cycle Coun t

Cycle Offset

R/W

1 Hz c ycle timer counte r

8,000 Hz c ycle timer counte r

24.576 MHz c ycle timer counte r

Read

4.8. Serial Interface

Unibrain Compact Series are equipped with SIO (Serial input/output) feature described in the IIDC 1.31

specification. By using the serial interface, users can execute commands by writing data in a specific address in the

FIREWIRE address range. SIO can be further used as a RS232 interface which supports pass through.

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