Marantz SR4001 - Page 44

64
101 VSS2 2.5V Ground
102 I/O AUDATA4,
GPIO28
Digital Audio Output 4, General Purpose I/O
103 I/O HDATA4,
GPIO4
DSP C Bidirectional Data Bus, General Purpose I/O
104 O SCLK0 Audio Output Bit Clock
105 I/O HDATA3,
GPIO3
DSP C Bidirectional Data Bus, General Purpose I/O
106 O AUDATA3,
XMT958A
Digital Audio Output 3, S/PDIF Transmitter
107 O AUDATA2 Digital Audio Output 2
108 O LRCLK0 Audio Output Sample Rate Clock
109 O AUDATA1 Digital Audio Output 1
110 O AUDATA0 Digital Audio Output 0
111 I CMPCLK,
FSCLKN2
PCM Audio Input Bit Clock
112 I/O HDATA2,
GPIO2
DSP C Bidirectional Data Bus, General Purpose I/O
113 VSS3 2.5V Ground
114 VDD3 2.5V Supply Voltage
115 I/O HDATA1,
GPIO1
DSP C Bidirectional Data Bus, General Purpose I/O
116 I/O HDATA0,
GPIO0
DSP C Bidirectional Data Bus, General Purpose I/O
117 O CMPREQ,
FLRCLKN2
Frame Clock Data Request Out
118 I CMPDAT,
FSDATAN2
PCM Audio Data Input Number Two
119 I FLRCLKN1 PCM Audio Input Sample Rate Clock
120 I/O WR, DS,
GPIO10
Host Write Strobe, Host Data Strobe, General Purpose I/O
121 I/O RD, R/W,
GPIO11
Host Parallel Output Enable, Host Parallel R/W, General
Purpose I/O
122 PLLVSS PLL Ground Voltage
123 FILT2 Phase Locked Loop Filter
124 FILT1 Phase-Locked Loop Filter
125 PLLVDD PLL Supply Voltage
126 O CLKOUT,
XTALO
Crystal Oscillator Output
127 I CLKIN, XTALI External Clock Input/Crystal Oscillator Input
128 CLKSEL DSP Clock Select
129 I/O CS, GPIO9 Host Parallel Chip Select, General Purpose I/O
130 I/O A0, GPIO13 Host Parallel Address Bit 0, General Purpose I/O
131 I FSDATAN1 PCM Audio Data Input One
132 VDD4 2.5V Supply Voltage
133 VSS4 2.5V Ground
134 I FSCLKN1,
STCCLK2
PCM Audio Input Bit Clock
135 SCS Host Serial SPI Chip Select
136 I SCDIN SPI Serial Control Data Input
137 VSS5 2.5V Ground
138 VDD5 2.5V Supply Voltage
139 I/O A1, GPIO12 Host Address Bit 1, General Purpose I/O
140 I/O SCDOUT,
SCDIO
Serial Control Port Data Input and Output
141 I/O HINBSY,
GPIO8
Input Host Message Status, General Purpose I/O
142 SCCLK Serial Control Port Clock
143 I/O UHS2,
CS_OUT,
GPIO17
Mode Select Bit 2, External Serial Memory Chip Select,
General Purpose I/O
144 I RESET Master Reset Input
IC27 : CS4900 Family
Parallel or Serial
Host Interface
External Memory
Interface
Internal Bus
32-Bit DSP
Programmable
Multistandard
Audio Decoder
Compressed
Audio
Interface
PLL Clock
Manager
Shared Memory
Debug Port
GPIO and I/O
Controller
Digital
Audio
Interface
Digital
Audio
Interface
DSP C
DSP AB
Serial
Audio
Interface
SAI 0
SAI 1
SAI 2
SAI 3
DAO 0
DAO 1
Frame
Shifter
Input
Buffer
RAM
DSP
RAM
DSP
ROM
Parallel or Serial
Host Interface
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 Purpose
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
99 MCLK Audio Master Clock
100 VDD2 2.5V Supply Voltage