參數(shù)資料
型號: HB28K032MM3
廠商: Renesas Technology Corp.
英文描述: MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
中文描述: 多媒體32 MByte/64 MByte/128 MByte/256 MByte/512字節(jié)
文件頁數(shù): 3/91頁
文件大?。?/td> 526K
代理商: HB28K032MM3
HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Rev.0.02, Sep.15.2004, page 3 of 89
Block Diagram
1
2
3
4
V
PP
Generator
5
6
7
Internal clock
Interface
CID[127:0]
CSD[127:0]
RCA[15:0]
OCR[31:0]
Flash control
Core control
C
P
R
s
D
V
CC
CS CMD/DI
DAT/DO
CLK/SCLK
Interface driver
Memory core
All units in these Renesas MultiMediaCards are clocked by an internal clock generator. The Interface
driver unit synchronizes the DAT and CMD signals from external CLK to the internal used clock signal.
The card is controlled by the three line MultiMediaCard interface containing the signals: CMD, CLK,
DAT (refer to Chapter “Interfaces”). For the identification of the MultiMediaCard in a stack of
MultiMediaCards, a card identification register (CID) and a relative card address register (RCA) are
foreseen. An additional register contains different types of operation parameters. This register is called
card specific data register (CSD). The communication using the MultiMediaCard lines to access either the
memory field or the registers is defined by the MultiMediaCard standard (refer to Chapter
“Communication”). The card has its own power on detection unit. No additional master reset signal is
required to setup the card after power on. It is protected against short circuit during insertion and removal
while the MultiMediaCard system is powered up (refer to Chapter “Power Supply”). No external
programming voltage supply is required. The programming voltage is generated on card.
These Renesas MultiMediaCards support a second interface operation mode the SPI interface mode. The
SPI mode is activated if the CS signal is asserted (negative) during the reception of the reset command
(CMD0) (refer to Chapter “SPI Communication”).
相關(guān)PDF資料
PDF描述
HB28K032RM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28L064MM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28J512MM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB3104AD 128Kx8 EEPROM
HB3104AL 128Kx8 EEPROM
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