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MAC7200 Datasheet(PDF) 434 Page - Freescale Semiconductor, Inc

Part # MAC7200
Description  MAC7200 Microcontroller Family Reference Manual
PDF  976 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MAC7200 Datasheet(HTML) 434 Page - Freescale Semiconductor, Inc

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FlexBus Application Usage
MAC7200 Microcontroller Family Reference Manual, Rev. 2
356
Freescale Semiconductor
// Now let’s do a 16-bit write and read to/from the external bus
flexbus_pointer =
(REG16) (0x20000000);
*flexbus_pointer = 0x8000;
i=*flexbus_pointer;
17.7.6
Enabling and Disabling CLKOUT
Even though the CLKOUT (PD2) signal is intended primarily as the FlexBus clock, it may be desirable in
some cases to enable this clock even when the FlexBus is not being used. If the CLKOUT is used primarily
as part of the FlexBus interface, please see below.
To disable CLKOUT: Change pad PD2 to an input by writing 0x00 to the CONFIG register for PD2
To change the drive strength on CLKOUT: Set/Clear the SLEW and SLEWEN bits in the CONFIG
register for PD2.
NOTE
It is not possible to use pad PD2 as a General Purpose Output.



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