CS8421 Cirrus Logic, CS8421 Datasheet - Page 16

• Manufacturer Part Number: CS8421
• Description: 32-bit 192 kHz Asynchronous Sample Rate Converter
• Manufacturer: Cirrus Logic

16
* The connection (VL or GND) and value of these three resistors determines the mode of operation for the input
and output serial ports as described in
Options
“Serial Audio Output Port Start-Up Options (SAOF),” on page
** MCLK_OUT pin should be pulled high through a 47 k Ω resistor if an MCLK output is not needed.
(MS_SEL), and
Hardware Control
Settings
Source
0.1 μF
Serial
Audio
*
Table 2, “Serial Audio Input Port Start-Up Options (SAIF),” on page 19
Figure 6. Typical Connection Diagram, Master and Slave Modes
Table 1 Serial Audio Port Master/Slave and Clock Ratio Select Start-Up
ILRCK
ISCLK
SDIN
TDM_IN
MS_SEL
SAIF
SAOF
SRC_UNLOCK
BYPASS
RST
+2.5 V
VD
GND
CS8421
GND
19.
MCLK_OUT
VL
SDOUT
OLRCK
+3.3 V or +5.0 V
OSCLK
XTO
XTI
47 kΩ
**
Crystal /Clock
0.1 μF
Device
Serial
Audio
Input
Source
To external
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hardware
and
Table 3,
CS8421
DS641F2