ADM1266ACPZ-R7 datasheet(41/62 Pages) AD

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Data Sheet

ADM1266

Rev. A | Page 41 of 62

IC_DEVICE

The IC_DEVICE command returns the ID and device number of the ADM1266. The default values are 0x41, 0x12, and 0x66.

Table 48. Register 0xAD—IC_DEVICE_ID

Byte

Byte Name

R/W

Description

Data length

Block R

Parameter data length, fixed to 3.

[3:1]

Data

Block R

Return the IC ID and device number: 0x41, 0x12, and 0x66.

IC_DEVICE_REV

The IC_DEVICE_REV command returns the ADM1266 firmware, bootloader, and chip revision.

Table 49. Register 0xAE—IC_DEVICE_REV in Normal Mode

Byte

Byte Name

R/W

Description

Data length

Block R

Parameter data length, fixed to 8.

[3:1]

Firmware

revision

Block R

ADM1266 firmware revision, for example: 0x01, 0x08, 0x07 means Version 1.8.7.

[6:4]

Bootloader

revision

Block R

ADM1266 bootloader revision, for example: 0x00, 0x00, 0x07 means Version 0.0.7.

[8:7]

Chip revision

Block R

ADM1266 chip revision, for example: 41 and 30 are ASCII B and 0, respectively.

Table 50. Register 0xAE—IC_DEVICE_REV in Bootloader Mode

Byte

Byte Name

R/W

Description

Data length

Block R

Parameter data length, fixed to 8.

[3:1]

Bootloader

revision

Block R

ADM1266 bootloader revision, for example: 0x01, 0x08, 0x07 means Version 1.8.7.

[6:4]

Reserved

Block R

Reserved

[8:7]

Chip revision

Block R

ADM1266 chip revision, for example: 41 and 30 are ASCII B and 0, respectively.

VOUT_OV_HYST_LIMIT

The VOUT_OV_HYST_LIMIT command either sets or reads the overvoltage hysteresis (in volts) measured at the sense/output pin that

causes an overvoltage fault condition. The exponent N is set using VOUT_MODE[4:0].

Table 51. Register 0xD0—VOUT_OV_HYST_LIMIT

Bits

Bit Name

R/W

Description

[15:0]

Mantissa Y

R/W

Unsigned Mantissa Y used in output voltage related commands in linear data format (V = Y × 2N).

VOUT_UV_HYST_LIMIT

The VOUT_UV_HYST_LIMIT command either sets or reads the undervoltage hysteresis (in volts) measured at the sense/output pin that

causes an undervoltage fault condition. The Exponent N is set using VOUT_MODE[4:0].

Table 52. Register 0xD1—VOUT_UV_HYST_LIMIT

Bits

Bit Name

R/W

Description

[15:0]

Mantissa Y

R/W

Unsigned Mantissa Y used in output voltage related commands in linear data format (V = Y × 2N).

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