| Line 32... |
Line 32... |
-- Offset Bitfield Description Read/Write
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-- Offset Bitfield Description Read/Write
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-- 0x0 AAAAAAAA B0 of Buffered Setpoint (W) or Current Setpoint(R)
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-- 0x0 AAAAAAAA B0 of Buffered Setpoint (W) or Current Setpoint(R)
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-- 0x1 AAAAAAAA B1 of Buffered Setpoint (W) or Current Setpoint(R)
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-- 0x1 AAAAAAAA B1 of Buffered Setpoint (W) or Current Setpoint(R)
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-- 0x2 AAAAAAAA B2 of Buffered Setpoint (W) or Current Setpoint(R)
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-- 0x2 AAAAAAAA B2 of Buffered Setpoint (W) or Current Setpoint(R)
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-- 0x3 AAAAAAAA B3 of Buffered Setpoint (W) or Current Setpoint(R)
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-- 0x3 AAAAAAAA B3 of Buffered Setpoint (W) or Current Setpoint(R)
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-- 0x4 AAAAAAAA B0 of Current Epoch Time(RO)
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-- 0x4 AAAAAAAA B0 of Buffered Current Epoch Time(RO)
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-- 0x5 AAAAAAAA B1 of Current Epoch Time(RO)
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-- 0x5 AAAAAAAA B1 of Buffered Current Epoch Time(RO)
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-- 0x6 AAAAAAAA B2 of Current Epoch Time(RO)
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-- 0x6 AAAAAAAA B2 of Buffered Current Epoch Time(RO)
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-- 0x7 AAAAAAAA B3 of Current Epoch Time(RO)
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-- 0x7 AAAAAAAA B3 of Buffered Current Epoch Time(RO)
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-- Note that any write to 0x04,0x05, 0x06, or 0x07 will copy
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-- Note that any write to 0x04,0x05, 0x06, or 0x07 will copy
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-- the current epoch time to a readable output buffer
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-- the current epoch time to a readable output buffer
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-- 0x8 xxxxxxxx (not used - returns 0x00)
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-- 0x8 -------- (not used - returns 0x00)
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-- 0x9 xxxxxxxx (not used - returns 0x00)
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-- 0x9 -------- (not used - returns 0x00)
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-- 0xA xxxxxxxx (not used - returns 0x00)
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-- 0xA -------- (not used - returns 0x00)
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-- 0xB xxxxxxxx (not used - returns 0x00)
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-- 0xB -------- (not used - returns 0x00)
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-- 0xC xxxxxxxx (not used - returns 0x00)
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-- 0xC -------- (not used - returns 0x00)
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-- 0xD xxxxxxxx (not used - returns 0x00)
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-- 0xD -------- (not used - returns 0x00)
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-- 0xE -------- Epoch Time Latch/Clear Control Register
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-- 0xE -------- Epoch Time Latch/Clear Control Register
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-- Any write to 0xE will clear/reset the all timer regs
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-- Any write to 0xE will clear/reset the all timer regs
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-- 0xF BA------ Status of buffer/alarm (1 = pending, 0 = current)
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-- 0xF BA------ Status of buffer/alarm (1 = pending, 0 = current)
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-- A = Pending status (R)
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-- A = Pending status (R)
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-- B = Alarm status (R)
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-- B = Buffer status (R)
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-- Note that any write will update the internal set point
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-- Note that any write will update the internal set point
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-- and clear the alarm
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-- and clear the alarm
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--
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--
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-- Revision History
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-- Revision History
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-- Author Date Change
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-- Author Date Change
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------------------ -------- ---------------------------------------------------
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------------------ -------- ---------------------------------------------------
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-- Seth Henry 04/15/20 Created from o8_epoch_timer due to requirement
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-- Seth Henry 04/15/20 Created from o8_epoch_timer due to requirement
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-- change.
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-- change.
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-- Seth Henry 04/16/20 Modifiefd to make use of Open8 bus record
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-- Seth Henry 04/16/20 Modifiefd to make use of Open8 bus record
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-- Seth Henry 05/18/20 Added write qualification input
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-- Seth Henry 05/18/20 Added write qualification input
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-- Seth Henry 11/01/20 Updated comments regarding buffered current time
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library ieee;
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.std_logic_1164.all;
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use ieee.std_logic_unsigned.all;
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use ieee.std_logic_unsigned.all;
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use ieee.std_logic_arith.all;
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use ieee.std_logic_arith.all;
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