HI-8437 datasheet(9/21 Pages) HOLTIC

Part #	HI-8437

Description	Single Low Voltage Supply Operation

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Manufacturer	HOLTIC [Holt Integrated Circuits]

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HI-8437

HOLT INTEGRATED CIRCUITS

9

REGISTER DESCRIPTIONS (cont.)

TABLE 10.

7-0

SO<23:16>

R

0

Sensor output status, SO<23:16> reports the state of SENSE<23:16>.

Bit

Name

R/W Default

Description

76543210

MSB

LSB

Read: SPI Op-code 0x94

Write: NA, read only

Reset Value 00

[Opcode, DB0]

SENSOR STATUS BANK 2 REGISTER: SO<23:16>

SENSOR OUTPUT STATUS REGISTER: SO<31:0>

THIS 32 BIT REGISTER IS ACCESSED BY THE FOLLOWING 5 SPI COMMANDS

For sense inputs:

SO<n> = “1” if the SENSE<n> pin is open or < VTLO

SO<n> = “0” if the SENSE<n> pin is >= VTHI

TABLE 11.

7-0

SO<31:24>

R

0

Sensor output status, SO<31:24> reports the state of SENSE<31:24>.

Bit

Name

R/W Default

Description

76543210

MSB

LSB

Read: SPI Op-code 0x96

Write: NA, read only

Reset Value 00

[Opcode, DB0]

SENSOR STATUS BANK 3 REGISTER: SO<31:24>

DATA BYTE 0

7-0

SO<15:8>

R

0

Sensor output status, SO<15:8> reports the state of SENSE<15:8>.

Bit

Name

R/W Default

Description

TABLE 9.

76543210

MSB

LSB

Read: SPI Op-code 0x92

Write: NA, read only

Reset Value 00

[Opcode, DB0]

SENSOR STATUS BANK 1 REGISTER: SO<15:8>

DATA BYTE 0

Read: SPI Op-code 0x90

Write: NA, read only

Reset Value 00

[Opcode, DB0]

SENSOR STATUS BANK 0 REGISTER: SO<7:0>

7-0

SO<7:0>

R

0

Sensor output status, SO<7:0> reports the state of SENSE<7:0>.

Bit

Name

R/W Default

Description

76543210

MSB

LSB

TABLE 8.

DATA BYTE 0

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