• TTVXS_Registers

TTVXS Module Registers, version 1.0

• Hardware: TTVXS

• SDB

  • ttvxs.sdb.csv (Git)

  • ttvxs.sdb.csv (copy)

Register I/O

Registers are 16 bit width. 32-bit and 64-bit data is packed as following:

Registers description

CSR

Base address - 0x0040, address mask - 0x001F.

Reg 0x0000 - Control, R/W

• [15] - run enable, default 1 (used since r28390, before was in addr 0x0200)

• [14:2] - reserved
• [1] - Counters Lock
• [0] - Softclear

Reg 0x0001 - reserved

Reg 0x0002 - Device ID, RO

Reg 0x0003~0x0005 - reserved

Reg 0x0006 - Serial ID MSB, RO

Reg 0x0007 - reserved

Reg 0x0008 - Live Magic, R/W

Reg 0x0009 - reserved

Reg 0x000a - reserved

Reg 0x000b - Board Temperature, RO

Reg 0x000c - F/W Version, RO

Reg 0x000d - F/W Revision, RO

Reg 0x000e - Serial ID LSB, RO

Reg 0x000f - M-Stream config, RO

• [15:4] - reserved
• [3] - m-stream multi-ack
• [2:0] - log2 from number of retransmitting buffers

Reg 0x0010 - OneWire ID (64-bit), RO

Reg 0x0014 - reserved

Reg 0x0015 - PCB Version, RO

• [15:8] - major bits
• [7:0] - minor bits

Reg 0x0016 - Status (all bits active-low), RO

• [15:5] - reserved
• [4] - MCU present
• [3] - System Power Good
• [2] - VXS ACFAIL
• [1] - VXS SYSFAIL
• [0] - VXS SYSRESET

Reg 0x0017 - reserved

Reg 0x0018 - MGT Synchronization status (for test, added in r28832), 32-bits, RO

• [31:22] - reserved
• [21:20] - SFP[3:2]
• [19] - FMC DP0
• [18] - VXS SP1
• [17:0] - VXS PP[17:0]

Run Control Core Registers

Base address - 0x0200, address mask - 0x00FF.

For all timers clock period is 8 ns.

Reg 0x0000 - rc_ctrl, R/W

• [15] - run enable (default 1) (obsolete since r28390, moved to CSR addr 0x0040)

• [14] - send timestamp reset to payloads
• [13] - reset AUX counters for trigger data
• [12] - enable AUX counters readout in trigger data (counters continue to count if disabled for readout)
• [11:2] - reserved

• [1] - softreset (since 1.4.6, previously - reserved)

• [0] - clear

Reg 0x0001 - Reserved, RO

Reg 0x0002 - Trigger Source Select, R/W

• [15] - fixed frequency pulser
• [14] - random pulser
• [13:2] - reserved

• [1] - digital input (SFP) - not yet implemented

• [0] - LEMO input

Reg 0x0003 - Trigger State, RO

Reg 0x0004 - Busy Input Mask (32-bit), R/W

Reg 0x0006 - Busy Input State (32-bit), RO

Reg 0x0008 - Busy Timeout State (32-bit), RO

Reg 0x000A - Fixed Frequency Pulser Period (32-bit), R/W

Reg 0x000C - Random Pulser Probability (32-bit), R/W

Reg 0x000E - Random Pulser Dead Time (32-bit), R/W

Reg 0x0010 - Queue of Triggers to Readout, R/O

Reg 0x0011 - Module Busy Status

• [15:2] - reserved
• [1] - trig_data busy
• [0] - readout busy

Reg 0x0012 - Busy Source Select, R/W

• [15:2] - reserved
• [1] - FE-Link busy
• [0] - VXS busy

Reg 0x0013 - Reserved, RO

Reg 0x0014 - Event Number Load (64-bit), R/W

• Event number will be updated when writing into reg 0x0017 performed

Reg 0x0018 - Current Event Number (64-bit), RO

Reg 0x0016-0x001F - Reserved

Reg 0x0020 - Build Parameters (128-bit), RO

White Rabbit Status Registers

• Base address - 0x0800, address mask - 0x00FF.

• WR Status Registers

• Module specific register 0x000E: Number of Divider-by-3 Synchronization Error events

Statistics Readout CSR

Base address - 0x0900, address mask - 0x00FF.

Reg 0x0000 - Control, R/W

• [15:14] - reserved
• [0] - enable statistics readout (enable by default)

Reg 0x0001 - Reserved

Reg 0x0002 - Statistics Readout Interval, 1 ms step, R/W

• minimum time interval between events with statistics data,

• 1000 ms by default, maximum 65535 ms

Reg 0x0003 - reserved

Reg 0x0004 - Number of registers to read into Statistic Data Block

• actual value to send is (N-1)

Reg 0x0005 - Statistic RAM write address

• should be less or equal to number of registers

• to read into statistic (Reg 0x0004)

Reg 0x0006 - Statistic RAM write data

• specifies RegIO address to read into statistic,

• this value stores in Statistic RAM in address

• set by Reg 0x0005

System errors counters

Base address - 0x5800, address mask - 0x00FF.

32 bits counters.

• 0x00 - statistics regio error
• 0x02 - ethernet regio error
• 0x04 - ce_24ns unlocked
• 0x06 - ts upscaler unlocked
• 0x08 - divider-by-3 error
• 0x0A - WR time error
• 0x0C - MCU regio timeout
• 0x0E - MCU SPI crc error
• 0x10 - MCU regio error
• 0x12 - any regio masters arbiter error

MLinkRegisters