LSI Logic Confidential
18-42
Specifications
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
Figure 18.32 SD Interface Timing
Table 18.28 SD Input Timing
Symbol
Description
Light Loading
(50 MHz)
1
Heavy Loading
(27/16 MHz)
Min
Max
Min
Max
Input Transition Time
2.0 ns
5.0 ns
Ouput Load
10 pF
60 pF
T
CYC
SD_CLK period
20 ns
37 ns
T
HIGH
SD_CLK high
9 ns
16 ns
SD_CLK (I)
SD_ACK (I)
SD_DATA[7:0] (I)
SD_WRREQ (O),
SD_RDREQ (O)
SD_SECSTART (I)
70%
50%
30%
T
7
SD_SECSTART (O)
SD_DATA[7:0] (O)
SD_ERROR (I)
T
CYC
T
HIGH
T
LOW
T
4
T
6
T
4
T
3
T
6
T
6
Содержание DMN-8600
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