8-3
Copyright 2008 Cirrus Logic, Inc.
DS732UM7
SDRAM/Flash Controller Interface
CS4953xx Hardware Users Manual
SD_WE
SDRAM Write Enable
78
107
Output
SD_A0/EXT_A0
SDRAM/Flash Address 0
72
102
Output
SD_A1/EXT_A1
SDRAM/Flash Address 1
71
101
Output
SD_A2/EXT_A2
SDRAM/Flash Address 2
70
99
Output
SD_A3/EXT_A3
SDRAM/Flash Address 3
68
97
Output
SD_A4/EXT_A4
SDRAM/Flash Address 4
67
96
Output
SD_A5/EXT_A5
SDRAM/Flash Address 5
64
93
Output
SD_A6//EXT_A6
SDRAM/Flash Address 6
62
91
Output
SD_A7/EXT_A7
SDRAM/Flash Address 7
61
90
Output
SD_A8/EXT_A8
SDRAM/Flash Address 8
59
88
Output
SD_A9/EXT_A9
SDRAM/Flash Address 9
58
87
Output
SD_A10/EXT_A10
SDRAM/Flash Address 10
74
103
Output
SD_A11/EXT_A11
SDRAM/Flash Address 11
56
85
Output
SD_A12/EXT_A12
SDRAM/Flash Address 12
55
84
Output
SD_BA0/EXT_A13
a
SDRAM Bank Address 0/Flash Address 13
75
104
Input
SD_BA1/EXT_A14
1
SDRAM Bank Address 1/Flash Address 14
77
106
Input
EXT_A15
Flash Address 15
82
111
Output
EXT_A16
Flash Address 16
84
113
Output
EXT_A17
Flash Address 17
85
114
Output
EXT_A18
Flash Address 18
87
116
Output
EXT_A19
Flash Address 19
88
117
Output
SD_D0/EXT_D0
SDRAM/Flash Bidirectional Data Bit 0
39
68
BiDir
SD_D1/EXT_D1
SDRAM/Flash Bidirectional Data Bit 1
37
65
BiDir
SD_D2/EXT_D2
SDRAM/Flash Bidirectional Data Bit 2
35
64
BiDir
SD_D3/EXT_D3
SDRAM/Flash Bidirectional Data Bit 3
34
63
BiDir
SD_D4/EXT_D4
SDRAM/Flash Bidirectional Data Bit 4
32
61
BiDir
SD_D5/EXT_D5
SDRAM/Flash Bidirectional Data Bit 5
31
60
BiDir
SD_D6/EXT_D6
SDRAM/Flash Bidirectional Data Bit 6
30
59
BiDir
SD_D7/EXT_D7
SDRAM/Flash Bidirectional Data Bit 7
29
58
BiDir
Table 8-1. SDRAM Interface Signals (Continued)
Signal Name
Signal Description
LQFP-
144 Pin
#
LQFP-
128 Pin
#
Pin Type
Содержание CS4953xx
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Страница 88: ...SDRAM Flash Controller Interface CS4953xx Hardware Users Manual DS732UM7 Copyright 2008 Cirrus Logic Inc 8 10 ...
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