Document type:
Title:
Revision date:
Revision:
User's Manual (MUT)
Mod. N957 8k Multi-Channel Analyzer
28/05/2012
6
NPO:
Filename:
Number of pages:
Page:
00105/04:N957x.MUTx/06 N957_REV6
35
3
TABLE OF CONTENTS
1.
GENERAL DESCRIPTION......................................................................................................................... 6
1.1
O
VERVIEW
............................................................................................................................................... 6
2.
TECHNICAL SPECIFICATIONS .............................................................................................................. 7
2.1
P
ACKAGING
.............................................................................................................................................. 7
2.2
P
OWER REQUIREMENTS
............................................................................................................................ 7
2.3
F
RONT AND BACK PANEL
.......................................................................................................................... 8
2.4
I
NPUT
/O
UTPUT CONNECTIONS
.................................................................................................................. 9
2.5
F
RONT PANEL DISPLAYS
........................................................................................................................... 9
2.6
I
NTERNAL HARDWARE COMPONENTS
..................................................................................................... 10
2.6.1
Switches ......................................................................................................................................... 10
2.6.2
Firmware jumpers ......................................................................................................................... 10
2.7
T
ECHNICAL SPECIFICATION TABLE
......................................................................................................... 11
2.8
A
NALOG TO DIGITAL CONVERSION
......................................................................................................... 11
2.8.1
Analog to digital conversion timing .............................................................................................. 12
2.8.2
Pile Up Rejection ........................................................................................................................... 14
2.9
D
ATA READOUT
...................................................................................................................................... 15
2.10
S
CALER AND
T
IMERS
.............................................................................................................................. 16
2.10.1
Scaler description .......................................................................................................................... 16
2.10.2
Timers description ......................................................................................................................... 16
2.11
F
IRMWARE UPGRADE
.............................................................................................................................. 18
2.11.1
N957Upgrade command parameters ............................................................................................ 18
3.
SOFTWARE INTERFACE ........................................................................................................................ 20
3.1
R
EGISTER MAP
........................................................................................................................................ 20
3.2
S
TATUS REGISTER
(0
X
00,
R
) ................................................................................................................... 21
3.3
C
ONTROL REGISTER
(0
X
01,
R
/
W
) ............................................................................................................ 21
3.4
F
IRMWARE REVISION REGISTER
(0
X
02,
R
) .............................................................................................. 22
3.5
F
IRMWARE DOWNLOAD REGISTER
(0
X
03,
R
/
W
) ...................................................................................... 22
3.6
F
LASH
E
NABLE REGISTER
(0
X
04,
R
/
W
) ................................................................................................... 22
3.7
P
ULSER REGISTER
(0
X
05,
R
/
W
) ............................................................................................................... 22
3.8
DAC
REGISTER
(0
X
06,
R
/
W
) ................................................................................................................... 22
3.9
B
LOCK
D
IMENSION REGISTER
(0
X
07,
R
/
W
) ............................................................................................. 22
3.10
P
OTENTIOMETER
C
ONTROL REGISTER
(0
X
08,
R
/
W
) ................................................................................ 23
