Integra DTR-7.6 Service Manual page 97

IC BLOCK DIAGRAMS AND DESCRIPTIONS
CS494003(Audio Decoder DSP)
PIN NO. TERMINAL NAME/DESCRIPTION
SD_DATA13, EXTA16:SDRAM data bus output, SRAM external address bus output
49
50 VSSSD3:3.3V SDRAM / SRAM / EPROM Interface ground.
51 VDDSD3:3.3V SDRAM / SRAM / EPROM Interface supply
52 SD_DATA12, EXTA15:SDRAM data bus output, SRAM external address bus output
53 SD_DATA11, EXTA14:SDRAM data bus output, SRAM external address bus output
54 SD_DATA10, EXTA13:SDRAM data bus output, SRAM external address bus output
SD_DATA9, EXTA12:SDRAM data bus output, SRAM external address bus output
55
SD_DATA8, EXTA11:SDRAM data bus output, SRAM external address bus output
56
57 VSSSD2:3.3V SDRAM / SRAM / EPROM Interface ground.
58 VDDSD2:3.3V SDRAM / SRAM / EPROM Interface supply
59 SD_CLK_OUT:SDRAM clock output.
60 SD_ADDR9, EXTA9:SDRAM address bus output. SRAM external address output.
61 SD_CLK_IN:SDRAM re-timing clock input.
SD_ADDR8, EXTA8:SDRAM address bus output. SRAM external address output.
62
63 SD_ADDR7, EXTA7:SDRAM address bus output. SRAM external address output.
64 SD_CLK_EN:SDRAM clock enable output.
65 SD_ADDR6, EXTA6:SDRAM address bus output. SRAM external address output.
66 SD_ADDR5, EXTA5:SDRAM address bus output. SRAM external address output.
67 SD_ADDR4, EXTA4:SDRAM address bus output. SRAM external address output.
68 SD_CS:SDRAM Chip select
VSSSD1:3.3V SDRAM / SRAM / EPROM Interface ground.
69
70 VDDSD1:3.3V SDRAM / SRAM / EPROM Interface supply
71 SD_BA, EXTA19:SDRAM bank address select, SRAM external address bus 19.
72 SD_ADDR10, EXTA10:SDRAM address bus output. SRAM external address output.
73 SD_ADDR0, EXTA0:SDRAM address bus output. SRAM external address output.
74 SD_ADDR1, EXTA1:SDRAM address bus output. SRAM external address output.
75 SD_ADDR2, EXTA2:SDRAM address bus output. SRAM external address output.
SD_ADDR3, EXTA3:SDRAM address bus output. SRAM external address output.
76
77 SD_RAS:SDRAM row address strobe output.
78 SD_CAS:DRAM column address strobe output.
79 SDATAN3, GPIO27:Digital-audio PCM data input. General purpose I/O
80 SDATAN2, GPIO26:Digital-audio PCM data input. General purpose I/O
81 SDATAN1, GPIO25:Digital-audio PCM data input. General purpose I/O
82 SDATAN0, GPIO24:Digital-audio PCM data input. General purpose I/O
83 NC4:No connect. Connect to ground.
84 NC3:No connect. Connect to ground.
85 LRCLKN, GPIO23:PCM Audio Input Sample Rate Clock, General Purpose I/O
86 SCLKN, GPIO22:PCM Audio Input Bit Clock, General Purpose I/O
87 LRCLK1:Audio Output Sample Rata Clock
88 NC2:No connect. Connect to ground.
NC1:No connect. Connect to ground.
89
90 VDD1:2.5V supply voltage.
91 VSS1:2.5V ground
92 AUDATA7, XMT958B, GPIO31:PCM digital-audio data output 7, S/PDIF Transmitter, General Purpose I/O
93 AUDATA6, GPIO30:PCM digital-audio data output 6, General Purpose I/O
94 AUDATA5, GPIO29:PCM digital-audio data output 5, General Purpose I/O
95 HDATA7, GPIO7:DSPC Bidirectional Data Bus, General Purpose I/O
96 HDATA6, GPIO6:DSPC Bidirectional Data Bus, General Purpose I/O
DTR-7.6