YSS950 Datasheet, PDF (8/30 Pages) YAMAHA CORPORATION – DAP1 Digital Audio Processor

YSS950


































Type
Pin Pin Name I/O
Function
No.
Note 1)
Power supply 26 VDD33 −
Digital power supply for pin block (Typ. 3.3 V)
39
55
9 VDD12 −
24
Digital power supply for Core block (Typ. 1.2 V)
25
40
41
56
57
62 PAVDD −
64
Power supply for PLL analog block (Typ. 1.2 V)
Insert a 0.1 µF capacitor between the PAVDD and PAVSS pins.
3 PDVDD −
Power supply for PLL digital block (Typ. 1.2 V)
Insert a 0.1 µF capacitor between the PDVDD and PDVSS pins.
4 VSS
16
−
Digital ground
17
32
33
48
49
61
1 PAVSS −
63
PLL analog ground
Insert a 0.1 µF capacitor between the PAVDD and PAVSS pins.
2 PDVSS −
PLL digital ground
Insert a 0.1 µF capacitor between the PDVDD and PDVSS pins.


Note 1) I/O symbols
•
*
*OQVU


•
*T
4DINJUU
USJHHFS
JOQVU


•
*
#VJMU
JO
QVMMVQ
DJSDVJU


•
0
0VUQVU

•
0U
TUBUF
PVUQVU


* Built in pull-up circuit cannot be used for Hi-level output of the LSI, because of this ability is only keep Hi-level for input pin
when it is open.
Note 2) Example of circuit connected to crystal oscillator
XI
XO
12.288 MHz
* The above resistor and capacitor values vary depending on a crystal oscillator. Be sure to meet the
specifications for the crystal oscillator to be used.
8