ISL68227IRAZ datasheet(43/100 Pages) RENESAS

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ISL68227

10. PMBus Command Detail

FN9333 Rev.1.00

Page 43 of 99

Oct.1.20

10.10 SMBALERT_MASK (1Bh)

Definition: Prevents a warning or fault condition from asserting the SMBALERT# signal. Can be used on the

following PMBus status commands: STATUS_VOUT, STATUS_IOUT, STATUS_INPUT,

STATUS_TEMPERATURE, STATUS_CML, and STATUS_MFR_SPECIFIC.

Access: Paged

Data Format: Bit Field

Type: Block R/W

The command format used to block a status bit or bits from causing the SMBALERT# signal to be asserted is

shown in Figures 32 and 33. The bits in the mask byte align with the bits in the corresponding status register. For

example, if the STATUS_TEMPERATURE command code were sent with the mask byte 01000000b, an

over-temperature warning condition would be blocked from asserting SMBALERT#.

Note: Figure 32 shows the command format used by the host to determine the SMBALERT_MASK setting for a

given status register.

10.11 VOUT_MODE (20h)

Definition: Returns the supported VOUT mode. Direct mode, 1mV per LSB.

Access: Global

Data Length in Bytes: 1

Data Format: Bit Field

Type: Read Only

Default Value: 40h

Figure 32. SMBALERT_MASK Command Packet Format

Figure 33. Retrieving the SMBALERT_MASK Setting for a Given Status Register

Command

VOUT_MODE (20h)

Format

Bit Field

Bit Position

Access

R/W

Function

Mode

Exponent

Default Value

000

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