
Hytec Electronics Ltd 8424TR/UTM/G/3/2.0
Page 3
CONTENTS
1.
INTRODUCTION ............................................................................................................................... 5
2.
PRODUCT SPECIFICATIONS ........................................................................................................ 6
3.
OPERATING MODES ....................................................................................................................... 7
3.1
R
EGISTER MODE
............................................................................................................................. 7
3.2
T
RIGGERED SAMPLING
................................................................................................................... 7
4.
MEMORY MAP .................................................................................................................................. 8
5.
APPLICATION AND CONTROL REGISTERS............................................................................. 9
5.1
C
ONTROL
&
S
TATUS
R
EGISTER
(CSR) ........................................................................................ 11
5.2
C
ONVERSION
P
OINTER
................................................................................................................. 12
5.3
ADC
S
AMPLE
R
ATE
..................................................................................................................... 12
5.4
I
NTERRUPT
V
ECTOR
..................................................................................................................... 13
5.5
E
XTENDED
C
ONTROL
&
S
TATUS
R
EGISTER
(CSR
E
XT
).............................................................. 13
5.6
N
UMBER
O
F
C
ONVERSIONS
......................................................................................................... 14
5.7
ADC
R
EGISTERS
.......................................................................................................................... 14
5.8
D
IGITAL
P
OTENTIOMETER
D
ATA
R
EGISTER
................................................................................ 15
5.9
D
IGITAL
P
OTENTIOMETER
C
ALIBRATION
R
EGISTERS
.................................................................. 15
6.
ADC OPERATION ........................................................................................................................... 15
6.1
M
EMORY
U
PDATE
I
NHIBIT AND
I
NTERRUPT
................................................................................ 15
6.2
S
ET
N
UMBER OF
C
ONVERSIONS
................................................................................................... 16
6.3
T
RIGGERING
................................................................................................................................. 16
6.3.1
Software Trigger.................................................................................................................. 16
6.3.2
Hardware Trigger................................................................................................................ 16
6.4
M
EMORY
U
PDATE
........................................................................................................................ 16
6.5
I
NTERNAL AND
E
XTERNAL
C
LOCKING
......................................................................................... 16
7.
TRANSIENT RECORDER FUNCTION........................................................................................ 17
7.1
T
RANSIENT
R
ECORDER
CSR
(TR
CSR)....................................................................................... 17
7.2
P
OST
T
RIGGER
S
AMPLE OR
N
UMBER OF
C
ONVERSIONS
P
ER
-T
RIGGER
....................................... 17
7.3
U
PPER
A
ND
L
OWER
T
HRESHOLD
................................................................................................ 18
7.3.1
Lower Threshold Registers.................................................................................................. 18
7.3.2
Upper Threshold Registers.................................................................................................. 18
7.4
L
OWER
T
IME
S
TAMP
R
EGISTERS
................................................................................................. 19
7.5
U
PPER
T
IME
S
TAMP
R
EGISTERS
.................................................................................................. 19
7.6
P
EAK
V
ALUE
R
EGISTERS
............................................................................................................. 19
7.7
P
RE
-T
RIGGER
D
ELAY
R
EGISTER
(PTD) ...................................................................................... 20
7.8
V
OLTAGE
T
RIGGER
M
ODE
........................................................................................................... 20
7.8.1
Pre Voltage Trigger Buffer.................................................................................................. 20
7.9
P
RE
V
OLTAGE
T
RIGGER
M
EMORY
B
UFFER
S
IZE
R
EGISTER
........................................................ 20
7.10
D
IGITAL
I
NPUTS
A
ND
O
UTPUTS
I
N
T
RANSIENT
R
ECORDER
M
ODE
............................................. 21
7.10.1
Start IN/ExTrig .................................................................................................................... 21
7.10.2
Start Out .............................................................................................................................. 21
7.10.3
Stop IN ................................................................................................................................. 21
7.10.4
Stop Out ............................................................................................................................... 21
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