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(yè)數(shù): 21/55頁(yè)
文件大?。?/td> 262K
代理商: MX53L06402L-50
28
P/N: PM1043
REV. 1.0, NOV. 25, 2003
MX53L06402
SPI
Card
Powly
supply
SPI bus
master
CS
SPI bus (CLK, DataIN, DataOut)
SPI
Card
Figure 13: MultiMediaCard bus system
Pin#
MultiMediaCard Mode
SPI Mode
Name
Type 1
Description
Name
Type
Description
1
RSV
NC
Reserved for future use
CS
I
Chip Select (neg true)
2
CMD
I/O/PP/OD
Command/Response
DI
I/PP
Data In
3
V SS1
S
Supply voltage ground
VSS
S
Supply voltage ground
4
V DD
S
Supply voltage
VDD
S
Supply voltage
5
CLK
I
Clock
SCLK
I
Clock
6
V SS2
S
Supply voltage ground
VSS2
S
Supply voltage ground
7
DAT
I/O/PP
Data
DO
O/PP
Data Out
7.4 MultiMediaCard Registers in SPI Mode
The register usage in SPI mode is summarized in Table 22.
Most of them are inaccessible.
1) S: power supply; I: input; O: output; PP: push-pull; OD: open-drain; NC: Not connected (or logical high)
Table 21: SPI interface pin configuration
Name
Available in SPI
Width
Description
mode
[Bytes]
CID
Yes
16
Card identification data (serial number, manufacturer ID, etc.)
RCA
No
DSR
No
CSD
Yes
16
Card-specific data, information about the card operation conditions.
OCR
Yes
32
Operation condition register.
Table 22: MultiMediaCard registers in SPI mode
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