CY8CKIT-059 datasheet(57/140 Pages) INFINEON

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Document Number: 001-84932 Rev. *N

Page 56 of 139

PSoC® 5LP: CY8C58LP Family

Datasheet

Figure 8-6. Analog Comparator

8.4.2 LUT

The CY8C58LP family of devices contains four LUTs. The LUT

is a two input, one output lookup table that is driven by any one

or two of the comparators in the chip. The output of any LUT is

routed to the digital system interface of the UDB array. From the

digital system interface of the UDB array, these signals can be

connected to UDBs, DMA controller, I/O, or the interrupt

controller.

The LUT control word written to a register sets the logic function

on the output. The available LUT functions and the associated

control word is shown in Table 8-2

ANAIF

comp2

comp0

comp1

comp3

LUT0

LUT1

LUT2

LUT3

From

Analog

Routing

From

Analog

Routing

From

Analog

Routing

From

Analog

Routing

UDBs

Table 8-2. LUT Function vs. Program Word and Inputs

Control Word

Output (A and B are LUT inputs)

0000b

FALSE (‘0’)

0001b

A AND B

0010b

A AND (NOT B)

0011b

0100b

(NOT A) AND B

0101b

0110b

A XOR B

0111b

A OR B

1000b

A NOR B

1001b

A XNOR B

1010b

NOT B

1011b

A OR (NOT B)

1100b

NOT A

1101b

(NOT A) OR B

1110b

A NAND B

1111b

TRUE (‘1’)

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