Sony HCD-BC150 Service Manual page 46

HCD-BC150/BC250
Ver 1.3
Pin No. Pin Name
48 BA0
49 MCS0
50 MCS1
51 MRAS
52 MCAS
53 MWE
54 GND25
55 VDD25
56 MCLK
57 MD0
58 MD1
59 MD2
60 MD3
61 GND25
62 MDQM0
63 VDD25
64 MD4
65 MD5
66 MD6
67 MD7
68 MD8
69 MD9
70 MD10
71 MD11
72 GND25
73 MDQM1
74 VDD25
75 MD12
76 MD13
77 MD14
78 MD15
79 GND
80 VDD
81 MD16
82 MD17
83 MD18
84 MD19
85 GND25
86 MDQM2
87 VDD25
88 MD20
89 MD21
90 MD22
91 MD23
92 MD24
93 MD25
94 MD26
46
I/O
O SDRAM bank select 0 signal output
O SDRAM chip select 0 signal output
O Not used
O SDRAM row address strobe signal output
O SDRAM column address strobe signal output
O SDRAM write enable signal output ("H" : read, "L" : write)
— Ground terminal (SDRAM I/O signal)
— Power supply terminal (+3.3V) (SDRAM I/O signal)
O SDRAM Clock output
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
— Ground terminal (SDRAM I/O signal)
O Byte read /write mask signal 0 output
— Power supply terminal (+3.3V) (SDRAM I/O signal)
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
— Ground terminal (SDRAM I/O signal)
O Byte read /write mask signal 1 output
— Power supply terminal (+3.3V) (SDRAM I/O signal)
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
— Ground terminal (inside core)
— Power supply terminal (+1.8V) (inside core)
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
— Ground terminal (SDRAM I/O signal)
O Byte read /write mask signal 2 output
— Power supply terminal (+3.3V) (SDRAM I/O signal)
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
I/O SDRAM data
Description