ad1988a Analog Devices, Inc., ad1988a Datasheet - Page 11

• Manufacturer Part Number: ad1988a
• Description: High Definition Audio Soundmax Codec
• Manufacturer: Analog Devices, Inc.

CLARIFICATION OF OUTPUT CONFIGURATIONS
DAC, ADC, and port assignments are arbitrary; however, ports
are optimized for certain configurations. Use the guidelines in
Table 7, Table 8, and Table 9 when selecting ports for particular
functions. Note the following for each of these tables:
•
•
•
•
In desktop applications with discreet jacks (the default
configuration), assign the ports as listed in Table 7.
Table 7. Discreet Jacks (Default Configuration)
Port
PORT-A
PORT-B
PORT-C
PORT-D
PORT-E
PORT-F
PORT-G
PORT-H
MONO_OUT
HP is the output capable of driving headphone load and
power
MIC is input that supports microphones with MIC Bias
and boost amplifiers
LO is the line level output
LI is the line level input
Function
Front Panel Headphone
Front Panel Microphone
Rear Panel Line-In
Rear Panel
Front/Headphone
Rear Panel Microphone
Rear Panel Surround-Rear
(5.1)
Rear Panel C/LFE
Rear Panel Surround-
Center/Side (7.1)
Internal Mono Speaker
(use GPIO as EAPD)
HP
x
x
x
MIC
x
x
x
x
x
x
LO
x
x
x
x
x
x
x
x
x
Rev. 0 | Page 11 of 20
LI
x
x
x
x
x
x
x
x
In desktop applications with shared input/5.1 jacks, assign the
ports as listed in Table 8.
Table 8. Shared Input/5.1 Jacks
Port
PORT-A
PORT-B
PORT-C
PORT-D
PORT-E
MONO_OUT
In notebook applications, to support fully retasking jacks, assign
the ports as listed in Table 9.
Table 9.
Port
PORT-A
PORT-B
PORT-D
PORT-C
PORT-E/PORT-F
Function
Front Panel Headphone
Front Panel Microphone
Rear Panel Line-
In/Surround-Rear (5.1)
Rear Panel
Front/Headphone
Rear Panel
Microphone/C/LFE
Internal Mono Speaker
(use GPIO as EAPD)
Function
Headphone Jack
Microphone Jack
Line-In Jack
Internal Stereo
Speakers (use GPIO as
EAPD)
Internal Quad
Microphone Array
(Optional)
AD1988A/AD1988B
HP
HP
x
x
x
x
x
x
MIC
MIC
x
x
x
x
x
x
x
x
x
x
LO
LO
x
x
x
x
x
x
x
x
x
x
x
LI
LI
x
x
x
x
x
x
x
x
x
x