![]() If you have any queries relating to this or any other i 2 c product supplied by calibre please visit our web site Ĭalibre issue 1.3 page i 22/07/99 contents introduction 1 1.1. This interface is designed to allow users to run i 2 c bus operations via pc parallel port. The fault is factory detectable and you WILL BE CHARGED FOR THE REPAIR.Įach time the PICA93LV is re-configured via the Setup function it is automatically reset by software.Ĭalibre pica93lv parallel i2c communications adapter user manual issue 1.3 calibre uk limited cornwall house, cornwall terrace bradford, west yorkshire, bd87js, england tel no : (01274) 394125 fax no: (01274) 730960) e-mail: web-site Ĭalibre issue 1.3 welcome to the calibre parallel i 2 c interface. Systems without adjusting the voltage WILL CAUSE PERMANENT DAMAGE to the PICA93LV. ![]() Your PICA93LV has been factory set for use on 3.3V I2C bus systems. You can adjust the voltage by inserting a small screwdriver through the hole in the front panel. When shipped to you the bus voltage was factory pre-set to 3.3V for use with low voltage memories. Overload protection and up to 0.250mA can be drawn from here. Pin 7 on the "D" connector is connected to the PICA93LV power supply. This supply is fitted with Parts 12a and 12b for further details (see Further Information for references). Care should be taken inĬhoosing a length and type of interconnecting cable which will not exceed this limit. Refer to Phillips Technical Handbook Book 4 The maximum allowable capacitance on the I2C bus in normal mode depends on the value of the SCLĪnd SDA master pull-ups, but never exceeds 400pF. All external connections are made via a 9 way "D" socket: ![]()
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