YSS912C Datasheet, PDF (4/14 Pages) List of Unclassifed Manufacturers – DOLBY DIGITAL (AC-3) / PRO LOGIC / DTS DECODER + SUB DSP

YSS912C
No. Name I/O
FUNCTION
56 SURENC O Detection of AC-3 2/0 mode Dolby surround encoded input
57 /SDBCK0 O Inverted SDBCK0 clock output (refer to Block diagram)
58 RAMA6 O External SRAM interface address 6
59 RAMA5 O External SRAM interface address 5
60 VSS
- Ground
61 RAMA4 O External SRAM interface address 4
62
/IC
Is Initial clear
63 TEST
Test terminal (to be open in normal use)
64 RAMA3 O External SRAM interface address 3
65 /CSB Is+ Sub DSP Chip select
66
/CS
Is Microprocessor interface Chip select input
67
SO
Ot Microprocessor interface Serial data output
68
SI
Is Microprocessor interface / Sub DSP Serial data input
69 SCK
Is Microprocessor interface / Sub DSP clock input
70 RAMA2 O External SRAM interface address 2
71 VDD1
- +5V power supply (for I/Os)
72 RAMD0 I+/ O External SRAM interface data (STREAM0 output when External SRAM is not in use)
73 RAMD1 I+/ O External SRAM interface data (STREAM1 output when External SRAM is not in use)
74 RAMD2 I+/ O External SRAM interface data (STREAM2 output when External SRAM is not in use)
75 RAMD3 I+/ O External SRAM interface data (STREAM3 output when External SRAM is not in use)
76 RAMD4 I+/ O External SRAM interface data (STREAM4 output when External SRAM is not in use)
77 RAMD5 I+/ O External SRAM interface data (STREAM5 output when External SRAM is not in use)
78 RAMD6 I+/ O External SRAM interface data (STREAM6 output when External SRAM is not in use)
79 RAMD7 I+/ O External SRAM interface data (STREAM7 output when External SRAM is not in use)
80 VSS
- Ground
81 VDD2
- +3.3 V power supply (for core logic)
82 SDWCK0 I Word clock input for SDIA, SDOA, SDIB, SDOB
83 SDBCK0 I Bit clock input for SDIA, SDOA, SDIB, SDOB
84 SDIA0 I AC-3 bitstream (or PCM) data input for Main DSP
85 SDIA1 I AC-3 bitstream (or PCM) data input for Main DSP
86 RAMA1 O External SRAM interface address 1
87 RAMA0 O External SRAM interface address 0
88 RAMWEN O External SRAM interface /WE
89 RAMOEN O External SRAM interface /OE
90 VSS
- Ground
91 VDD2
- +3.3 V power supply (for core logic)
92 IPORT7 I+ Input port for general purpose
93 IPORT6 I+ Input port for general purpose
94 IPORT5 I+ Input port for general purpose
95 IPORT4 I+ Input port for general purpose
96 IPORT3 I+ Input port for general purpose
97 IPORT2 I+ Input port for general purpose
98 IPORT1 I+ Input port for general purpose
99 IPORT0 I+ Input port for general purpose
100 VSS
- Ground
NOTE) Is: Schmidt trigger input terminal
I+: Input terminal with a pull-up resistor
O: Digital output terminal
Ot: Tri-state digital output terminal
A: Analog terminal
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