Pin
No.
Pin I/O Function
1 RXOUT O Input bi-phase selection data output pin
2RX0I
5
TTL-compatible digital data input pin
3 RX1 I Coaxial-compatible digital data input pin with built-in amplifier
4RX2I
5
TTL-compatible digital data input pin
5RX3I
5
TTL-compatible digital data input pin
6 DGND Digital GND
7 DVDD Digital power supply
8RX4I
5
TTL-compatible digital data input pin
9RX5/VII
5
TTL-compatible digital data || Validity flag input pin for modulation
10 RX6/UI I
5
TTL-compatible digital data || User data input pin for modulation
11 DVDD PLL digital power supply
12 DGND PLL digital GND
13 LPF O PLL loop filter connection pin
14 ACDD PLL analog power supply
15 AGND PLL analog GND
16 RMCK O R system clock output pin (256fs, 512fs, XIN, VCO)
17 RBCK O/I R bit clock input/output pin (64fs)
18 DGND Digital GND
19 DVDD Digital power supply
20 RLRCK O/I R LR clock input/output pin (fs)
21 RDATA O Serial audio data input pin
22 SBCK O S bit clock output pin (32fs, 64fs, 128fs)
23 SLRCK O S LR clock output pin (fs/2, fs, 2fs)
24 SDIN I
5
Serial audio data input pin
25 DGND Digital GND
26 DVDD Digital power supply
27 XMCK O Oscillation amplifier output pin
28 XOUT O Crystal resonator connection output pin
29 XIN I Crystal resonator connection, external supply clock input pin (24.576 MHz or 12.288 MHz)
30 DVDD Digital power supply
31 DGND Digital GND
32 EMPHA/UO I/O Emphasis information || U data output || Chip address setting pin
33
AUDIO
/VO I/O Non-PCM output || V flag output || Chip address setting pin
34
CKST
I/O Clock switch transition period signal || Demodulation master or slave function switch pin
35
INT
I/O Microcontroller interrupt output || Modulation or general-purpose I/O switch pin
36 RERR O PLL clock error, data error flag output
37 DO O Microcontroller I/F read data output pin (3-state)
38 DI I
5
Microcontroller I/F write data input pin
39 CE I
5
Microcontroller I/F chip enable input pin
40 CL I
5
Microcontroller I/F clock input pin
41 XMODE I
5
System reset input pin
42 DGND Digital GND
43 DVDD Digital power supply
44 TMCK/PIO0 I/O Modulation 256fs system clock input || General-purpose I/O input/output pin
45 TMCK/PIO1 I/O Modulation 64fs bit clock input || General-purpose I/O input/output pin
46 TLRCK/PIO2 I/O Modulation fs clock input || General-purpose I/O input/output pin
47 TLRCK/PIO3 I/O Modulation serial audio data input || General-purpose I/O input/output pin
48 TXO/PIOEN O/I Modulation data output || General-purpose I/O enable input pin
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