CAMAC C266 - Tevatron time at 150GeV

Contents

Description

The CAMAC C266 module generates the data for MDAT frame $52 (Time at 150GeV). This module resides in Tevatron Crate $BE slot 19. It is wired to a C166 (MDAT Transmitter) card in slot 18. The module counts the time that the Tevatron is at 150GeV in increments of 10 seconds by counting TCLK $02 events and dividing by two. Maximum count is 32760 seconds. Counting starts either on TCLK $43 or $44 or by a command (F26A0) to the module. The counter counts up until either a TCLK $42 or $46 when the counter will begin to count down to zero at a rate set by C:REMVB2. Doing a reset (F9A0) to the module will disable the counter and set the count value to zero.

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OP Codes

Function Codes
F(0) A(0)Read frequency divider value
F(6) A(0)Read module id (0x10A)
F(7) A(0)Dummy Read (For diagnostics)
F(9) A(0)Reset module
F(16) A(0)Write frequency divider value
F(26) A(0)Enable up counter

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I/O Assignments

IO Assignments
1LGND 1RTCLK In
2L  2R 
3L  3R 
4L  4R 
5L  5R 
6L  6R 
7L  7R 
8L  8R 
9L  9R 
10LD15 10RD14
11LD13 11RD12
12LD11 12RD10
13LD9 13RD8
14LD7 14RD6
15LD5 15RD4
16LD3 16RD2
17LD1 17RD0
18LGND 18RGND

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