FS310 datasheet(25/40 Pages) TTELEC

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General Note

TT Electronics reserves the right to make changes in product specification without

notice or liability. All information is subject to TT Electronics’ own data and is

considered accurate at time of going to print.

TT Electronics | OPTEK Technology

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www.ttelectronics.com | sensors@ttelectronics.com

Rev C, 4/27/2023

Page 25

FlexSense® I-Series Programmable

Incremental Encoder

FS210/FS310 Datasheet

Magnitude Trim Register 1 (TQM1: [0x0882])

Table 18. TQM1 register definition

MSB

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

LSB

RSVD

SQM1

MQM1

Table 19. TQM1 field description

Bits

Description

MQM1

Magnitude: Feedback transimpedance resistance around selected TIA reduced by 5%/LSB

SQM1

Select bit: Selects the TIA whose feedback transresistances should be reduced

Reduce B+/B- feedback transresistance

Reduce A+/A- feedback transresistance

RSVD

Reserved for future use

Magnitude Trim Register 2 (TQM2: [0x0883])

Table 20. TQM2 register definition

MSB

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

LSB

RSVD

MQM2

Table 21. TQM2 field description

Bits

Description

MQM2

Magnitude: Identically sets A+/A- and B+/B- buffer gains

0000: Gain = 4

0011: Gain = 12

0110: Gain = 32

0001: Gain = 6

0100: Gain = 16

0111: Gain = 48

0010: Gain = 8

0101: Gain = 24

1xxx: Gain = 64

RSVD

Reserved for future use

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