SIS Documentation
SIS3820
VME Scaler
Page 29 of 79
7.11 CBLT/Broadcast setup register
#define SIS3820_CBLT_BROADCAST_SETUP
0x30 /* read/write; D32 */
This read/write register defines, whether the SIS3820 will participate in a CBLT and/or
Broadcast. The configuration of this register and the registers of other participating modules is
essential for proper CBLT and/or Broadcast behaviour.
CBLT is supported from the SDRAM in FIFO emulation mode (MCS Mode).
Bit Function
31
CBLT/Broadcast address bit 31
30
CBLT/Broadcast address bit 30
29
CBLT/Broadcast address bit 29
28
CBLT/Broadcast address bit 28
27
CBLT/Broadcast address bit 27
26
CBLT/Broadcast address bit 26
25
CBLT/Broadcast address bit 25
24
CBLT/Broadcast address bit 24
23
CBLT MAX Readout Length Bit 7
22
CBLT MAX Readout Length Bit 6
21
CBLT MAX Readout Length Bit 5
20
CBLT MAX Readout Length Bit 4
19
CBLT MAX Readout Length Bit 3
18
CBLT MAX Readout Length Bit 2
17
CBLT MAX Readout Length Bit 1
16
CBLT MAX Readout Length Bit 0
15
CBLT Geographical address bit 4 (use for Header and Trailer)
14
CBLT Geographical address bit 3
13
CBLT Geographical address bit 2
12
CBLT Geographical address bit 1
11
CBLT Geographical address bit 0
10 0
9 0
8 0
7 0
6 0
5
Enable Broadcast Master
4
Enable Broadcast
3 0
2
First (to be set to 1 on the first module in the CBLT chain)
1
Last (to be set to 1 on the last module in the CBLT chain)
0
enable CBLT (to be set to 1 on all modules in the CBLT chain)
The function/meaning of the CBLT and the geographical address is illustrated in section.
15.9.1.