AK4706 Datasheet, PDF (23/53 Pages) Asahi Kasei Microsystems – 2ch 24bit DAC with AV Switch & HD/SD Video Filter

ASAHI KASEI
[AK4706]
„ Typical Operation Sequence
The Figure 3 shows an example of the system timing.
PDN pin
AUTO bit
MUTE bit
STBY bit
“1” (default)
“1” (default)
“1” (default)
“Stand-by“
“0”
“Mute”
“0”
“1”
“0”
“Stand-by“
“0”
“1”
“1”
Clock in
Data in
D/A Out
(internal)
TV-Source
select
don’t care (2)
don’t care
normal operation
“0”
Audio data
GD (1)
fixed to VCR in(Loop-through)
VCR in
(default)
DAC
don’t care (2)
“0”
don’t care
GD (1)
VCR in
TV out
VCR in
VCR in
(3)
HD Video
Output
Hi-z
normal operation(4)
Hi-z
id
Figure 3. Typical operating sequence (except auto setup mode)
Notes:
(1) The analog output corresponding to the digital input has a group delay, GD.
(2) The external clocks (MCLK, BICK and LRCK) can be stopped in standby mode.
(3) Mute the analog outputs externally if click noise(3) adversely affects the system.
(4) The HDSW1/0, HDCP1/0 bits set HD video outputs.
MS0507-E-00
- 23 -
2006/05