uda1334ats NXP Semiconductors, uda1334ats Datasheet - Page 9

• Manufacturer Part Number: uda1334ats
• Description: Low Power Audio Dac With Pll
• Manufacturer: NXP Semiconductors

Philips Semiconductors
8.6
8.6.1
The digital audio interface formats (see Fig.5) can be
selected via pins SFOR1 and SFOR0 as shown in
Table 4.
For the digital audio interface holds that the
BCK frequency can be maximum 64 times WS frequency.
The WS signal must change at the negative edge of the
BCK signal for all digital audio formats.
Table 4 Data format selection
2000 Jul 31
Low power audio DAC with PLL
SFOR1
HIGH
HIGH
LOW
LOW
Feature settings
D
IGITAL INTERFACE FORMAT SELECT
SFOR0
HIGH
HIGH
LOW
LOW
I
LSB-justified 16 bits input
LSB-justified 20 bits input
LSB-justified 24 bits input
2
S-bus input
INPUT FORMAT
9
8.6.2
This function is only available in audio mode. In that case,
pin DEEM/CLKOUT can be used to activate the digital
de-emphasis for 44.1 kHz as given in Table 5.
Table 5 De-emphasis control (audio mode)
8.6.3
The output signal can be soft muted by setting pin MUTE
to HIGH as given in Table 6.
Table 6 Mute control
DEEM/CLKOUT
D
M
E
UTE CONTROL
MUTE
HIGH
HIGH
-
LOW
LOW
EMPHASIS CONTROL
de-emphasis off
de-emphasis on
mute off
mute on
UDA1334ATS
Product specification
FUNCTION
FUNCTION