參數(shù)資料
型號(hào)： LR38666Y
廠商： Sharp Corporation
元件分類： 數(shù)字信號(hào)處理
英文描述： CMOS digital signal processor
中文描述： CMOS數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 5/38頁(yè)
文件大小： 203K
代理商： LR38666Y
LR38666Y
5
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
5K
1K
6L
5L
2L
1L
3L
1M
4L
4M
2M
3M
1N
4N
2N
3N
1P
1R
3P
2P
–
2R
DGND
MEMD
20
TEST4Z
TEST5Z
DV
DD
MEMD
21
MEMD
22
MEMD
23
DGND
MEMD
24
DV
DD2
MEMD
25
MEMD
26
MEMD
27
DGND
MEMD
28
DV
DD
MEMD
29
MEMD
30
MEMD
31
NC
DGND
–
Ground
Data I/O for SDRAM/external device/GIO
20
IO12U
IU
IU
–
IO12U
IO12U
IO12U
–
IO12U
–
IO12U
IO12U
IO12U
–
IO12U
–
IO12U
IO12U
IO12U
–
–
Test (Must be open.)
Power supply (+3.3 V)
Data I/O for SDRAM/external device/GIO
21
Data I/O for SDRAM/external device/GIO
22
Data I/O for SDRAM/external device/GIO
23
Ground
Data I/O for SDRAM/external device/GIO
24
Internal power supply (+2.5 V)
Data I/O for SDRAM/external device/GIO
25
Data I/O for SDRAM/external device/GIO
26
Data I/O for SDRAM/external device/GIO
27
Ground
Data I/O for SDRAM/external device/GIO
28
Power supply (+3.3 V)
Data I/O for SDRAM/external device/GIO
29
Data I/O for SDRAM/external device/GIO
30
Data I/O for SDRAM/external device/GIO
31
Must be open.
Ground
16-bit data mode : Control MEMD
7
-MEMD
0
of SDRAM
32-bit data mode : Control MEMD
23
-MEMD
16
of SDRAM
16-bit data mode : Control MEMD
15
-MEMD
8
of SDRAM
32-bit data mode : Control MEMD
31
-MEMD
24
of SDRAM
SDRAM row address strobe
SDRAM column address strobe
Power supply (+3.3 V)
Ground
SDRAM clock output (49.0908 MHz : double of C24MI input)
Internal power supply (+2.5 V)
SDRAM write enable
62
3R
MEMLDQM
O12
63
2T
MEMUDQM
O12
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
4P
4R
3T
5P
4T
5R
5N
5M
6N
6P
5T
6R
6M
7M
6T
MEMRASZ
MEMCASZ
DV
DD
DGND
MEMCLK
DV
DD2
MEMWEZ
MEMA
0
MEMA
1
DGND
MEMA
2
DV
DD
MEMA
3
MEMA
4
MEMA
5
O12
O12
–
–
IO12
–
O12
O12
O12
–
O12
–
O12
O12
O12
Address for SDRAM/flash memory/external device
Ground
Address for SDRAM/flash memory/external device
Power supply (+3.3 V)
Address for SDRAM/flash memory/external device
Address for SDRAM/flash memory/external device
Address for SDRAM/flash memory/external device
PIN NO. COORDINATE
SYMBOL
DESCRIPTION
IO SYMBOL
79
7N
DGND
–
Ground
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