Marantz SR-3001, Service Manual

Page: 43 / 83

57
Pin
No. I/O Function
Description
1 I/O UHS0, GPIO18 Mode Select Bit 0, General Purpose I/O
2 I/O UHS1, GPIO19 Mode Select Bit 1, General Purpose I/O
3
INTREQ Control Port Interrupt Request
4 I FA1, FSCDIN Host Address Bit One or SPI Serial Control Data Input
5 I/O GPIO20 General Purpose I/O
6 I FA0, FSCCLK Host Parallel Address Bit Zero or Serial Control Port Clock
7 I/O FHS2,
FSCDIO,
FSCDOUT
Mode Select Bit 2 or Serial Control Port Data Input and
Output, Parallel Port Type Select
8 I/O GPIO21 General Purpose I/O
9 FDAT7 DSP AB Bidirectional Data Bus
10 VDD6 2.5V Supply Voltage
11 VSS6 2.5V Ground
12 FHS0, FWR,
FDS Mode Select Bit 0 or Host Write Strobe or Host Data Strobe
13 O FHS1, FRD,
FR/W
Mode Select Bit 1 or Host Parallel Output Enable or Host
Parallel R/W
14 FDAT6 DSP AB Bidirectional Data Bus
15 I FCS Host Parallel Chip Select, Host Serial SPI Chip Select
16 O FINTREQ Control Port Interrupt Request
17 FDBCK Reserved
18 FDAT5 DSP AB Bidirectional Data Bus
19 FDAT4 DSP AB Bidirectional Data Bus
20 VDD7 2.5V Supply Voltage
21 VSS7 2.5V Ground
22 FDAT3 DSP AB Bidirectional Data Bus
23 FDBDA Reserved
24 FDAT2 DSP AB Bidirectional Data Bus
25 DBDA Debug Data
26 DBCK Debug Clock
27 FDAT1 DSP AB Bidirectional Data Bus
28 TEST Reserved
29 FDAT0 DSP AB Bidirectional Data Bus
30 I/O NV_WE,
GPIO16
SRAM Write Enable, General Purpose I/O
31 I/O NV_OE,
GPIO15
SRAM Output Enable, General Purpose I/O
32 I/O NV_CS,
GPIO14
SRAM Chip Select, General Purpose I/O
33 SD_WE SDRAM Write Enable
34 SD_DATA0,
EXTD0 SDRAM Data Bus, SRAM External Data Bus
35 SD_DATA1,
EXTD1 SDRAM Data Bus, SRAM External Data Bus
36 SD_DATA2,
EXTD2 SDRAM Data Bus, SRAM External Data Bus
37 SD_DATA3,
EXTD3 SDRAM Data Bus, SRAM External Data Bus
38 SD_DATA4,
EXTD4 SDRAM Data Bus, SRAM External Data Bus
39 SD_DQM0 SDRAM Data Mask 2
40 SD_DATA5,
EXTD5 SDRAM Data Bus, SRAM External Data Bus
41 VSSSD4 3.3V SDRAM/SRAM/EPROM Interface Ground
42 VDDSD4 3.3V SDRAM/SRAM/EPROM Interface Supply
43 SD_DATA6,
EXTD6 SDRAM Data Bus, SRAM External Data Bus
44 SD_DATA7,
EXTD7 SDRAM Data Bus, SRAM External Data Bus
45 SD_DQM1 SDRAM Data Mask 1
46 SD_DATA15,
EXTA18 SDRAM Data Bus, SRAM External Address Bus
47 SD_DATA14,
EXTA17 SDRAM Data Bus, SRAM External Address Bus
48 NC5 No Connect
49 SD_DATA13,
EXTA16 SDRAM Data Bus, SRAM External Address Bus
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, SRAM External Address Bus
53 SD_DATA11,
EXTA14 SDRAM Data Bus, SRAM External Address Bus
54 SD_DATA10,
EXTA13 SDRAM Data Bus, SRAM External Address Bus
55 SD_DATA9,
EXTA12 SDRAM Data Bus, SRAM External Address Bus
56 SD_DATA8,
EXTA11 SDRAM Data Bus, SRAM External Address Bus
57 VSSSD2 3.3V SDRAM/SRAM/EPROM Interface Ground
58 VDDSD2 3.3V SDRAM/SRAM/EPROM Interface Supply
59 O SD_CLK_OUT SDRAM Clock Output
60 SD_ADDR9,
EXTA9 SDRAM Address Bus, SRAM External Address Bus
61 I SD_CLK_IN SDRAM Re-timing Clock Input
62 SD_ADDR8,
EXTA8 SDRAM Address Bus, SRAM External Address Bus
63 SD_ADDR7,
EXTA7 SDRAM Address Bus, SRAM External Address Bus
64 SD_CLK_EN SDRAM Clock Enable
65 SD_ADDR6,
EXTA6 SDRAM Address Bus, SRAM External Address Bus
66 SD_ADDR5,
EXTA5 SDRAM Address Bus, SRAM External Address Bus
67 SD_ADDR4,
EXTA4 SDRAM Address Bus, SRAM External Address Bus
68 SD_CS SDRAM Chip Select
69 VSSSD1 3.3V SDRAM/SRAM/EPROM Interface Ground
70 VDDSD1 3.3V SDRAM/SRAM/EPROM Interface Supply
71 SD_BA,
EXTA19 SDRAM Bank Address Select, SRAM External Address Bus
72 SD_ADDR10,
EXTA10 SDRAM Address Bus, SRAM External Address Bus
73 SD_ADDR0,
EXTA0 SDRAM Address Bus, SRAM External Address Bus
74 SD_ADDR1,
EXTA1 SDRAM Address Bus, SRAM External Address Bus
75 SD_ADDR2,
EXTA2 SDRAM Address Bus, SRAM External Address Bus
76 SD_ADDR3,
EXTA3 SDRAM Address Bus, SRAM External Address Bus
77 SD_RAS SDRAM Row Address Strobe
78 SD_CAS SDRAM Column Address Strobe
79 I/O SDATAN3,
GPIO27
PCM Audio Input Data, General Purpose I/O
80 I/O SDATAN2,
GPIO26
PCM Audio Input Data, General Purpose I/O
81 I/O SDATAN1,
GPIO25
PCM Audio Input Data, General Purpose I/O
82 I/O SDATAN0,
GPIO24
PCM Audio Input Data, General Purpose I/O
83 NC4 No Connect
84 NC3 No Connect
85 I/O LRCLKN,
GPIO23
PCM Audio Input Sample Rate Clock, General Purpose I/O
86 I/O SCLKN,
GPIO22
PCM Audio Input Bit Clock, General Purpose I/O
87 O LRCLK1 Audio Output Sample Rate Clock
88 NC2 No Connect
89 NC1 No Connect
90 VDD1 2.5V Supply Voltage
91 VSS1 2.5V Ground
92 I/O AUDATA7,
XMT958B,
GPIO31
Digital Audio Output 7, S/PDIF Transmitter, General Pur
I/O
93 I/O AUDATA6,
GPIO30
Digital Audio Output 6, General Purpose I/O
94 I/O AUDATA5,
GPIO29
Digital Audio Output 5, General Purpose I/O
95 I/O HDATA7,
GPIO7
DSP C Bidirectional Data Bus, General Purpose I/O
96 I/O HDATA6,
GPIO6
DSP C Bidirectional Data Bus, General Purpose I/O
97 I/O HDATA5,
GPIO5
DSP C Bidirectional Data Bus, General Purpose I/O
98 O SCLK1 Audio Output Bit Clock
pose
IC19 : CS49400