Harman Kardon AVR 171/230, Service Manual

Page: 87 / 174

Data Sheet: DM Series
DM860A Networked Media Processor
dat_DM860A_1_1_datasheet.doc CONFIDENTIAL Version 1.1 – July 11
th
2011 - Page 15 of 70
2.2 Functional Diagram
Please see Figure 2 for block diagram.
2.3 AV-Port 0
Name Pin Type Description
AV0DATA[3:0] M4, N1, N2,
N3 I/O Audio/video data. Several formats are supported, as described
in chapter 11
AV1DATA[3:0] N4, P1, P2,
P3 I/O Video data, together with AV0DATA[3:0]:
AV0DATA[3:0] = video[3:0]
AV1DATA[3:0] = video[7:4]
AV0CLK L1 I/O
Data clock. Depending on the AV-Port 0 configuration, this
clock is a bit- or byte-clock which is used to transmit or receive
the AV0DATA[*] synchronously
AV0CTRL0 M1 I/O Configurable sync signal:

serial audio formats: LRCK input or output

video formats: PSYNC input or output
AV0CTRL1 M2 I/O Configurable sync signal:

serial audio formats: master clock output

video formats: DVALID input or output
AV0CTRL2 M3 I/O Configurable sync signal:

video formats: FSYNC input or output
2.4 AV-Port 2
Name Pin Type Description
AV2DATA[3:0] P4, R3, T2,
U1 I/O Audio data. Several formats are supported, as described in
chapter 11
AV2CLK R1 I/O Data clock. Depending on the AV-Port 2 configuration this clock
is a bit-clock which is used to transmit or receive the
AV2DATA[*] synchronously
AV2CTRL0 T1 I/O Configurable sync signal:
serial audio formats: LRCK input or output
AV2CTRL1 R2 I/O Configurable sync signal:
serial audio formats: master clock output
Harman Kardon AVR 171 Service Manual
Page 87 of 174