CAEN
Electronic Instrumentation
UM6508
–
DT5495 User Manual rev. 0
53
➢
C PORT VALUE
: the 32 output bits of port C (selectable by the user in this demo)
Address:
0x100C.
Mode:
Read only.
Bit
Description
[31:0]
Output to port C
➢
A-PORT MASK register:
Masks the channels of port A.
Address:
0x1800.
Mode:
Read and Write.
Bit
Description
[31:0]
The n-th bit set to 1 means that the corresponding channel of port A is masked
➢
B-PORT MASK register:
Masks the channels of port B.
Address:
0x1804.
Mode:
Read and Write.
Bit
Description
[31:0]
The n-th bit set to 1 means that the corresponding channel of port B is masked
➢
CONTROL register:
allows to set the demo configuration.
Address:
0x1808.
Mode:
Read and Write.
Bit
Description
[31:20]
Number of stored samples in the FIFO
[19:16]
Downsampling factor (frequency divider)
[15:10]
reserved
[9]
Software acquisition start
[8]
Software acquisition stop
[7:6]
reserved
[5:4]
Output selection (port C)
00 = Port A
01 = Port B
10 = clock counter
11 = user output (register 0x180C)
[3:2]
reserved
[1]
The selected clock source
0 = internal clock source
1 = external clock source (G0 port)
[0]
I/O port level
0 = NIM level
1 = TTL level
➢
C PORT VALUE register:
allows to set an arbitrary value to port C.
Address:
0x180C.
Mode:
Read and Write.
Bit
Description
[31:0]
User output value for port C