LSI/CSI LS7366R

UL.. LSI/CSI . LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747. LS7366R . (631) 271-0400 FAX (631) 271-0405. A3800. 32-BIT QUADRATURE COUNTER WITH SERIAL INTERFACE. June 2014. GENERAL FEATURES: Operating voltage: 3V to (VDD - VSS). 5V count frequency: 40 MHz PIN ASSIGNMENT. 3V count frequency: 20 MHz TOP VIEW. 32-bit counter (CNTR). 32-bit data register (DTR) and comparator. f CKO 1 14 V DD. 32-bit output register (OTR). f CKi 2 13 CNT_EN. Two 8-bit mode registers (MDR0, MDR1). 12. for programmable functional modes. V SS 3 A. 8-bit instruction register (IR). SS/ 4 11 B. 8-bit status register (STR). SCK 5 10. Latched Interrupt output on Carry or Borrow or Compare or Index. INDEX/. Index driven counter load, output register load or counter reset. MISO 6 9 DFLAG/. Internal quadrature clock decoder and filter.

7366R-081507-2 I/O Pins: Following is a description of all the input/output pins. A (Pin 12) B (Pin 11)Inputs. A and B quadrature clock outputs from incremental encoders are directly applied to the A and B inputs of the

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