參數(shù)資料
型號(hào): MX53L06402L-50
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類: PROM
英文描述: FLASH 2.7V PROM CARD, XMA7
封裝: CRAD-7
文件頁數(shù): 23/55頁
文件大小: 262K
代理商: MX53L06402L-50
3
P/N: PM1043
REV. 1.0, NOV. 25, 2003
MX53L06402
4. INTERFACE
In the MX53L06402 all data is transferred over a minimal number of lines:
CLK: with each cycle of this signal a one bit transfer on the command and data lines is done. The frequency may vary
between zero and the maximum clock frequency. The MultiMediaCard bus master is free to generate these cycles
without restrictions in the range of 0-20MHz.
CMD: is a bidirectional command channel used for card initialization and data transfer commands. The CMD signal has
two operation modes: open drain for initialization mode and push pull for fast command transfer. Commands are sent
from the MultiMediaCard bus master to the MX53L06402 and responses vice versa.
DAT: is a data channel with a width of one line. The DAT signal of the MX53L06402 operates in push pull mode.
All MultiMediaCards are connected directly to the lines of the MultiMediaCard bus. The following
table defines the card contacts.
Pin No.
Name
Type 1
Description
1
NC
--
not connected
2
CMD
I/PP/OD
Command/Response
3
VSS1
S
Supply voltage ground
4
VDD
S
Supply voltage
5
CLK
I
Clock
6
VSS2
S
Supply voltage ground
7
DAT
PP
Data output
1 S: power supply; I: input; PP: push pull output; OD: open drain output
Table 1: MX53L06402 pad definition
Figure 2: MX53L06402 interface
ROD
RDAT
MultiMediaCard
Host
RCMD
1 2 34 56
CMD
DAT
CLK
7
MX53L03202
Interf
ace
dr
iv
er
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