## page was renamed from Spill Control Status Registers
= Spill Control Module =

 * [[SDB Device ID]] 0x315be6df

== Register Map ==

address space 0x00 - 0x3F

|| addr || bits || description || mode || default ||
|| 00h || 32 || spill phase 1 (idle) duration, ms || R/W || 10 ||
|| 02h || 32 || spill phase 2 (pre-burst triggers) duration || R/W || 10 ||
|| 04h || 32 || spill phase 3 (burst triggers) duration || R/W || 3000 ||
|| 06h || 32 || spill phase 4 (post-burst triggers) duration || R/W || 10 ||
|| 08h || 32 || spill phase 5 (software readout) duration || R/W || 970 ||
|| 0Ah || 32 || spill gate extension || R/W || 100 ||
|| 0Ch || 32 || spill count (locked) || RO || ||
|| 0Eh || 32 || current spill timer value, ms || RO || ||
|| 10h || 32 || spill control || R/W || 0 ||
|| 12h || 32 || spill status || RO ||  ||
|| 14h || 32 || spill timer period, ms || R/W || 5000 ||
|| 16h || 32 || spill detect min period, ms || R/W || 1000 ||
|| 18h || 32 || spill detect max period, ms || R/W || 30000 ||
|| 1Ah || 32 || measured last TTL spill period, ms || RO ||  ||
|| 1Ch || 32 || measured last WR spill period, ms || RO ||  ||
|| 1Eh ||<:-4> reserved ||
|| 20h || 64 || last spill TAI timestamp (locked) || RO || ||
|| 24h ||<|3-4> reserved ||
|| ... ||
|| 3Fh ||

Reg 0x10, '''spill control''', R/W
 . [0] softreset - clear counters and stop timers 
 . [4:1] mode: 0 - off, 1: softspill. 2: TTL, 3: WR, 4:Infinite (since SDB ver 1.1), 7: auto, 8: gate

Reg 0x12, '''spill status''', RO
 . [0] - TTL spill Ok
 . [1] - WR spill Ok
 . [3:2] - reserved
 . [5:4] - selected NCU, 0: off, 1: softspill, 2: TTL, 3: WR
 . [7:6] - reserved
 . [12:8] - current spill phase
 . [15:13] - reserved

Spill phases:
 . 0 - Wait next spill
 . 1 - Accelerate (First spill phase)
 . 2 - Prepare
 . 4 - Spill read (Accept trig. candidates)
 . 8 - Post readout (Last spill phase)
 . 16 - Flush

Reg 0x20, '''last spill TAI timestamp'''
 . [1:0] - {tm_time_valid, 1'b0}
 . [4:2] - 3'b000
 . [31:5] - tm_cycles[26:0]
 . [63:32] - tm_tai[31:0]

----
[[CategorySDB|SDB]]