ocr: REALTIME COCK ENDA R BOARD Ifyouwill be writing custom software for the clock, there are several things tokeep in mind: 1. Inorder to use the +/- 30: secondadjustroent, or testieatures, JUMPER C3 CA1 <1 jumpers A - A: and/or B- -B mustbe installed. 4 CAZ AD 2. This clock chrp is capable of generating interrups atdiffexent TO GROUND U1 A1 rates. To use this fatm.yurmstcommeLCAl to one of the NEAR P2/P3 C1 A2 clock data lines. interuptizequencies, A3 with proper: softwaxe,are: as: follows: IF BATTERIES, INSTALLING LEAVE LITHIUM OUT R2 DO DO Output Frequency 1024Hz 50% Pulsewidth duty R2 THIS AND ...
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