參數(shù)資料
型號(hào): KSZ8695X
廠商: Micrel Inc
文件頁(yè)數(shù): 15/39頁(yè)
文件大?。?/td> 0K
描述: IC SWITCH 10/100 5PORT 208PQFP
標(biāo)準(zhǔn)包裝: 24
系列: *
類型: *
應(yīng)用: *
安裝類型: 表面貼裝
封裝/外殼: 208-MQFP,208-PQFP
供應(yīng)商設(shè)備封裝: 208-PQFP(28x28)
包裝: 托盤
配用: 576-1624-ND - KIT EVAL KSZ8695X EXPERIMENT
其它名稱: 576-1025
Micrel, Inc.
KS8695X
June 2006
22
M9999-060106
Advanced Memory Interface (SDRAM/ROM/FLASH/SRAM/EXTERNAL I/O) (continued)
Pin
Name
I/O Type
(1)
Description
31
32
33
36
37
38
39
40
41
42
45
46
49
50
51
52
55
56
57
58
59
60
61
62
65
66
67
68
69
70
71
72
DATA[31]
DATA[30]
DATA[29]
DATA[28]
DATA[27]
DATA[26]
DATA[25]
DATA[24]
DATA[23]
DATA[22]
DATA[21]
DATA[20]
DATA[19]
DATA[18]
DATA[17]
DATA[16]
DATA[15]
DATA[14]
DATA[13]
DATA[12]
DATA[11]
DATA[10]
DATA[9]
DATA[8]
DATA[7]
DATA[6]
DATA[5]
DATA[4]
DATA[3]
DATA[2]
DATA[1]
DATA[0]
I/O
External DATA Bus. 32-bit bidirectional data bus for data transfer. KS8695X also
supports 8- and 16-bit data bus widths.
16
17
SDCSN[1]
SDCSN[0]
O
SDRAM Chip Select: Active low chip select pins for SDRAM. The KS8695X
supports up to two SDRAM banks. One SDCSN output is provided for each bank.
18
SDRASN
O
SDRAM Row Address Strobe: Active low. The row address strobe pin for SDRAM.
19
SDCASN
O
SDRAM Column Address Strobe: Active low. The column address strobe pin for
SDRAM.
20
SDWEN
O
SDRAM Write Enable: Active low. The write enable signal for SDRAM.
27
28
29
30
SDQM[3]
SDQM[2]
SDQM[1]
SDQM[0]
O
SDRAM Data Input/Output Mask: Data input/output mask signals for SDRAM. The
SDQM is sampled high and is an output mask signal for write accesses and an
output enable signal for read accesses. Input data are masked during a write cycle.
The SDQM0/1/2/3 correspond to XDATA[7:0], XDATA[15:8], XDATA[23:16] and
XDATA[31:24], respectively.
75
76
77
ECSN[2]
ECSN[1]
ECSN[0]
O
External I/O Device Chip Select: Active low. Three external I/O banks are provided
for external memory mapped I/O operations. Each I/O bank stores up to 16KB.
The ECSNx signals indicate which of the three I/O banks is selected.
Note
:
1. O = Output.
I/O = Bidirectional.
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