CS5463 datasheet(35/46 Pages) CIRRUS

35 / 46 page

CS5463

DS678F3

6.2 Page 1 Registers

6.2.1 Energy Pulse Output Width ( PulseWidth )

Address: 0

Default = 1

PulseWidth sets the duration of energy pulses (tPW). The actual pulse duration is the contents of PulseWidth

divided by the output word rate (OWR). PulseWidth is an integer in the range of 1 to 8388607.

6.2.2 No Load Threshold ( LoadMin )

Address: 1

Default = 0

LoadMin is used to set the no load threshold. When the magnitude of the PActive register is less than LoadMin,

the active energy pulse output will be disabled. LoadMin is a two's complement value in the range of

-1.0

 Load

Min  1.0, with the binary point to the right of the MSB. Negative values are not used.

6.2.3 Temperature Gain Register ( TGain )

Address: 2

Default = 0x2F03C3 = 23.5073471

Sets the temperature channel gain. Temperature gain (TGain) is utilized to convert from one temperature scale

to another. The Celsius scale (oC) is the default. Values will be within in the range of 0

 T

Gain  128. The value

is represented in unsigned notation, with the binary point to the right of bit 7th MSB. See Section 5.8 On-chip

Temperature Sensor

on page 19.

6.2.4 Temperature Offset Register ( TOff )

Address: 3

Default = 0xF3D35A = -0.0951126

Temperature offset (Toff) is used to remove the temperature channel’s offset at the zero-degree reading. Values

are represented in two's complement notation and in the range of -1.0

 T

off  1.0, with the binary point to the

right of the MSB.

MSB

LSB

0222

221

220

219

218

217

216

.....

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

2-1

.....

2-11

2-12

2-13

2-14

2-15

2-16

2-17

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

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