lm4935rlx National Semiconductor Corporation, lm4935rlx Datasheet - Page 68

• Manufacturer Part Number: lm4935rlx
• Description: Audio Sub-system With Dual-mode Stereo Headphone And Mono High Efficiency Loudspeaker Amplifiers And Multi-purpose Adc
• Manufacturer: National Semiconductor Corporation

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Bits
12.0 Status & Control Registers
12.43 DEBUG REGISTER
This register is used to set test modes within the device.
0
1
2
3
4
5
6
7
GPIO_TEST_MODE
SOFT_RESET
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
Field
Reserved
Reserved
Reserved
This field can be used to reset the chip without a power cycle.
Reserved
Reserved
Reserved
If set and GPIO_SEL = ’010’, then the GPIOs are configured to interface with the LMV1026
digital microphone as long as AUDIO_IF_MODE (0x19h) is not set to ’11’.
GPIO_SEL
000
001
010
100
101
011
110
111
2
2
2
2
2
2
2
2
TABLE 44. DEBUG (0x26h)
(Continued)
68
VADC_CLOCK_OUT
Description
GPIO 1
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
DIG_MIC_IN
GPIO 2
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD