Harman Kardon AVR525 Service Manual page 156

AVR525
High Feature 192kHz 24bit Digital Audio Interface Transceiver
The AK4114 is a digital audio transceiver supporting 192kHz, 24bits. The channel status decoder
supports both consumer and professional modes. The AK4114 can automatically detect a Non-PCM bit
stream. When combined with the multi channel codec (AK4527B or AK4529), the two chips provide a
system solution for AC-3 applications. The dedicated pins or a serial µP I/F can control the mode setting.
The small package, 48pin LQFP saves the system space.
*AC-3 is a trademark of Dolby Laboratories.
GENERAL DESCRIPTION
o AES3, IEC60958, S/PDIF, EIAJ CP1201 Compatible
o Low jitter Analog PLL
o PLL Lock Range : 32kHz to 192kHz
o Clock Source: PLL or X'tal
o 8-channel Receiver input
o 2-channel Transmission output (Through output or DIT)
o Auxiliary digital input
o De-emphasis for 32kHz, 44.1kHz, 48kHz and 96kHz
o Detection Functions
• Non-PCM Bit Stream Detection
• DTS-CD Bit Stream Detection
• Sampling Frequency Detection
(32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz)
• Unlock & Parity Error Detection
• Validity Flag Detection
o Up to 24bit Audio Data Format
o Audio I/F: Master or Slave Mode
o 40-bit Channel Status Buffer
o Burst Preamble bit Pc and Pd Buffer for Non-PCM bit stream
o Q-subcode Buffer for CD bit stream
o Serial µP I/F
o Two Master Clock Outputs: 64fs/128fs/256fs/512fs
o Operating Voltage: 2.7 to 3.6V with 5V tolerance
o Small Package: 48pin LQFP
o Ta: -10 to 70°C
IPS0/RX4
AVSS
DIF0/RX5
TEST2
DIF1/RX6
AVSS
DIF2/RX7
IPS1/IIC
P/SN
XTL0
XTL1
FEATURES
1
2
3
4
AK4114VQ
5
6
7
Top View
8
9
10
11
VIN 12
156
harman/kardon
AK4114
36 INT0
35 OCKS0/CSN/CAD0
34 OCKS1/CCLK/SCL
33 CM1/CDTI/SDA
32 CM0/CDTO/CAD1
31 PDN
30 XTI
29 XTO
28 DAUX
27 MCKO2
26 BICK
25 SDTO