Yamaha RX-V3900, Service Manual

Page: 88 / 226

88
RX-V3900/DSP-AX3900
RX-V390
0/
DSP-AX390
0
No.
Function Name
(P.C.B.)
TYPE
(1)
PULL
(2)
GPIO
(3)
Detail of Function
62 VSS
63 EM_D[10] IO – N EMIF data bus [lower 16-Bits]
64 EM_D[9] IO – N EMIF data bus [lower 16-Bits]
65 CVDD
66 EM_D[8] IO – N EMIF data bus [lower 16-bits]
67 EM_WE_DQM[1] O – N Write enable or byte enable for EM_D [15:8]
68 DVDD
69 VSS
70 EM_CLK O – N SDRAM clock
71 EM_CKE O – N SDRAM clock enable
72 VSS
73 DVDD
74 EM_A[11] O – N EMIF address bus
75 EM_A[9] O – N EMIF address bus
76 EM_A[8] O – N EMIF address bus
77 CVDD
78 VSS
79 EM_A[7] O – N EMIF address bus
80 EM_A[6] O – N EMIF address bus
81 DVDD
82 VSS
83 EM_A[5] O – N EMIF address bus
84 EM_A[4] O – N EMIF address bus
85 CVDD
86 EM_A[3] O – N EMIF address bus
87 VSS
88 EM_A[2] O – N EMIF address bus
89 EM_A[1] O – N EMIF address bus
90 CVDD
91 EM_A[0] O – N EMIF address bus
92 DVDD
93 EM_A[10] O – N EMIF address bus
94 EM_BA[1] O – N SDRAM bank address and asynchronous memory Low-Order address
95 VSS
96 EM_BA[0] O – N SDRAM bank address and asynchronous memory Low-Order address
97 EM_CS[0] O – N SDRAM chip select
98 EM_RAS O – N SDRAM row address strobe
99 VSS
100 EM_CS[2] O – N Asynchronous memory chip Select
101 CVDD
102 NC O – N Asynchronous memory read/not write
103 DVDD
104 EM_OE O – N SDRAM output enable
105 SPI0_ENA/I2C1_SDA IO – Y SPI0 enable (ready) or I2c1 serial data
106 VSS
107 SPI0_ENA/I2C1_SCL IO – Y SPI0 enable (ready) or I2c1 serial clock
108 SPI0_CLK/I2C0_SCL IO – Y SPI0 serial clock or I2c0 serial clock
109 VSS
110 SPIO_SIMO IO – Y SPI0 data pin slave in master out
111 SPIO_SOMI/I2C0_SDA IO – Y SPI0 data pin slave out master in or I2C0 serial data
112 DVDD
113 AXR0[0] IO – Y McASP0 serial data 0
114 VSS
115 AXR0[1] IO – Y McASP0 serial data 1
116 AXR0[2] IO – Y McASP0 serial data 2
117 AXR0[3] IO – Y McASP0 serial data 3
118 VSS
119 AXR0[4] IO – Y McASP0 serial data 4
120 SPI1_SCS IO – Y McASP0 serial data 5 or SPI1 slave chip select
121 SPI1_ENA IO – Y McASP0 serial data 6 or SPI1 enable (ready)
122 SPI1_CLK IO – Y McASP0 serial data 7 or SPI1 serial clock