MK712SLF Просмотр технического описания (PDF) - Integrated Device Technology

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MK712SLF

TOUCH SCREEN CONTROLLER

Integrated Device Technology 

MK712

TOUCH SCREEN CONTROLLER

Rate Register (Register 7) Programming

TOUCH SCREEN CONTROL

Calculating Points Per Second

The formula for determining P.P.S. is:

Power-On Reset

On application of power, an internal reset is generated that clears all bits in registers 0, 1, and 6. Register 7 is set to

32 giving a rate of 86 PPS. Note that clearing register 6 puts the IC into the power down condition.

Initializing the MK712

The interrupt on the MK712 can only be cleared by reading a register or by writing register 6 to the power down

condition. After a fault condition, initialize the MK712 by writing register 6 to zero and then writing register 6 to the

desired value. This will always clear pending interrupts.

IDT™ TOUCH SCREEN CONTROLLER

5

MK712

REV N 051310

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