DS963F5

41

CS35L32

7.18 Interrupt Mask 3

7.18 Interrupt Mask 3

Address 0x14

R/W

76

5

4

3

2

1

0

M_LOWBAT M_BOOST_CURLIM M_BOOST_OVERROR

Default

1

1

1

1

1

1

1

1

Interrupt mask register bits serve as a mask for the interrupt sources in the interrupt status registers. Interrupts are described in Section 4.2.

Registers at addresses 0x14–0x17 must not be part of a control-port autoincremented read and must be read individually. See Section 4.14.1.

Bits

Name

Description

7

M_UVLO

UVLO mask

0 Unmasked

1 (Default) Masked

6

M_LED2_OPEN

LED 2/1 open and shorted masks

0 Unmasked

1 (Default) Masked

5

M_LED2_SHORT

4

M_LED1_OPEN

3

M_LED1_SHORT

2

M_LOWBAT

Low battery mask

0 Unmasked

1 (Default) Masked

1

M_BOOST_CURLIM

Boost converter masks

0 Unmasked

1 (Default) Masked

0

M_BOOST_OVERROR

7.19 Interrupt Status 1 (Audio)

Address 0x15

R/O

7

6

543

2

1

0

—

ADSPCLK_ERR

MCLK_ERR

AMP_SHORT

OTW

OTE

Default

x

x

x

x

x

x

x

x

Interrupt mask register bits serve as a mask for the interrupt sources in the interrupt status registers. Interrupts are described in Section 4.2.

Registers at addresses 0x14–0x17 must not be part of a control-port autoincremented read and must be read individually. See Section 4.14.1.

Bits

Name

Description

7:5

—

Reserved

4ADSPCLK_

ERR

ADSP clock error. Indicates that the ADSP has lost synchronization. See Section 4.11.2 and Section 7.7 for details.

3MCLK_

ERR

Master clock error. Indicates the MCLK watchdog status.

0 (Default) MCLK is above ~1.25 MHz.

1 MCLK is below ~1.25 MHz, so the device should be reset (RESET = HIGH

LOW), released from reset (RESET =

LOW

HIGH) when a valid MCLK is reapplied, and restarted. If this condition exists, the Class D amplifier

immediately stops switching and the outputs are internally clamped to ground

2AMP_

SHORT

Amplifier short. Indicates that either of the amplifier outputs (OUT±) is driving a short circuit.

0 (Default) Not shorted

1 Shorted. The device enters Speaker-Safe Mode (see Section 4.3.4). Normal behavior may resume when the short

condition ceases and AMP_SHORT_RLS is sequenced, as described in Section 7.15.

Note: The circuit feeding this bit requires the amplifier to be fully powered and not in shut-down mode; if it is powered down

(PDN_AMP = 1) or in Speaker-Safe Mode, the detector indicates no short condition, even if speaker outputs are shorted.

1

OTW

Overtemperature warning. Indicates that device junction temperature exceeded the set limit, as described in Table 3-3.

0 (Default) Below set overtemperature warning threshold

1 Above set overtemperature warning threshold

0

OTE

Overtemperature error. Indicates whether the device junction temperature exceeded the damage limit.

0 (Default) Below damage limit

1 Above damage limit. The device enters Speaker-Safe Mode (see Section 4.3.4). Normal behavior may resume when

the OTE event ends and OTE_RLS is sequenced, as described in Section 7.15.