Maxim-integrated MAXQ7667 Uživatelský manuál stáhnout pdf (Strana 271)

16.2 Power-Supply/Supervisory Monitoring Registers

16.2.1 Analog Interrupt Enable Register (AIE)

Bits 15 to 8: Reserved.

Read returns 0.

Bit 7: Crystal Oscillator Failure (XTIE). See Section 15 for details on this bit.

Bit 6: DVDDIO Brownout Interrupt Enable (VIBIE). When set to 1, this bit allows an interrupt request to be generated when DVDDIO

falls below the specified threshold and VIBE is 1.

Bit 5: DVDD Brownout Interrupt Enable (VDBIE). When set to 1, this bit allows an interrupt request to be generated when DVDD falls

below the specified threshold and VDBE is 1.

Bit 4: AVDD Brownout Interrupt Enable (VABIE). When set to 1, this bit allows an interrupt request to be generated when AVDD falls

below the specified threshold and VABE is 1.

Bit 3: Echo Envelope Comparator Interrupt Enable (CMPIE). See Section 17 for details on this bit.

Bit 2: Echo Envelope Lowpass Filter FIFO Full Interrupt Enable (LFLIE). See Section 17 for details on this bit.

Bit 1: Echo Envelope Lowpass Filter Output Data Ready Interrupt Enable (LPFIE). See Section 17 for details on this bit.

Bit 0: SAR ADC Data Ready Interrupt Enable (SARIE). See Section 14 for details on this bit.

16-5 __________________________________________________________________________________________________________

MAXQ7667 User’s Guide

r = read, w = write

Note: AIE is cleared to 0000h on all forms of reset.

Bit #

15 14 13 12 11 10 98

Name — — — — — — — —

Reset 0 0 0 0 0 0 0 0

Access r r r r r r r r

Bit #

76543210

Name XTIE VIBIE VDBIE VABIE CMPIE LFLIE LPFIE SARIE

Reset 0 0 0 0 0 0 0 0

Access rw rw rw rw rw rw rw rw

1 2 ... 266 267 268 269 270 271 272 273 274 275 276 ... 346 347

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Maxim-integrated MAXQ7667 Uživatelský manuál Strana 271