Marantz PS-17 Service Manual page 28

No. Name I/O
56 SURENC O
57 /SDBCK0 O
58 RAMA6 O
59 RAMA5 O
60 VSS
61 RAMA4 O
62 /IC Is
63 TEST
64 RAMA3 O
65 /CSB Is+
66 /CS Is
67 SO Ot
68 SI Is
69 SCK Is
70 RAMA2 O
71 VDD1
72 RAMD0 I+/ O
73 RAMD1 I+/ O
74 RAMD2 I+/ O
75 RAMD3 I+/ O
76 RAMD4 I+/ O
77 RAMD5 I+/ O
78 RAMD6 I+/ O
79 RAMD7 I+/ O
80 VSS
81 VDD2
82 SDWCK0
83 SDBCK0
84 SDIA0
85 SDIA1
86 RAMA1 O
87 RAMA0 O
88 RAMWEN O
89 RAMOEN O
90 VSS
91 VDD2
92 IPORT7 I+
93 IPORT6 I+
94 IPORT5 I+
95 IPORT4 I+
96 IPORT3 I+
97 IPORT2 I+
98 IPORT1 I+
99 IPORT0 I+
100 VSS
NOTE) Is: Schmidt
I+: Input
O: Digital
Ot: Tri-state
A: Analog
FUNCTION
Detection of AC-3 2/0 mode Dolby surround encoded input
Inverted SDBCK0 clock output (refer to Block diagram)
External SRAM interface address 6
External SRAM interface address 5
- Ground
External SRAM interface address 4
Initial clear
Test terminal (to be open in normal use)
External SRAM interface address 3
Sub DSP Chip select
Microprocessor interface Chip select input
Microprocessor interface Serial data output
Microprocessor interface / Sub DSP Serial data input
Microprocessor interface / Sub DSP clock input
External SRAM interface address 2
- +5V power supply (for I/Os)
External SRAM interface data (STREAM0 output when External
SRAM is not in use)
External SRAM interface data (STREAM1 output when External
SRAM is not in use)
External SRAM interface data (STREAM2 output when External
SRAM is not in use)
External SRAM interface data (STREAM3 output when External
SRAM is not in use)
External SRAM interface data (STREAM4 output when External
SRAM is not in use)
External SRAM interface data (STREAM5 output when External
SRAM is not in use)
External SRAM interface data (STREAM6 output when External
SRAM is not in use)
External SRAM interface data (STREAM7 output when External
SRAM is not in use)
- Ground
- +3.3 V power supply (for core logic)
I Word clock input for SDIA, SDOA, SDIB, SDOB
I Bit clock input for SDIA, SDOA, SDIB, SDOB
I AC-3 bitstream (or PCM) data input for Main DSP
I AC-3 bitstream (or PCM) data input for Main DSP
External SRAM interface address 1
External SRAM interface address 0
External SRAM interface /WE
External SRAM interface /OE
- Ground
- +3.3 V power supply (for core logic)
Input port for general purpose
Input port for general purpose
Input port for general purpose
Input port for general purpose
Input port for general purpose
Input port for general purpose
Input port for general purpose
Input port for general purpose
- Ground
trigger input terminal
terminal with a pull-up resistor
output terminal
digital output terminal
terminal
44