Japan English
SD Memory Card Control
The following page content corresponds to the products marketed in Japan.
If you do not live in Japan, please
Overview
SD memory cards have gained a large share of the market for flash memory and have established themselves as the de facto standard for solid-state digital storage devices. Products, such as mobile phones and digital cameras, that use these cards for storage must incorporate SD memory card control functions.
Renesas recommends the SH-2A and SH-4A MCUs for high-speed access need, which enables an on-chip SD memory card interface. If the emphasis is on compactness and low-power consumption, a range of general-purpose MCU solutions are also available. Developers building systems to their own specifications can choose the MCU that best meets their exact requirements.
Renesas’ MCUs support FAT file system* middleware and SD memory card control device driver, and thus can be used in healthcare / measuring equipments (with data-logger capabilities), audio recording devices, and digital music players.
* FAT file system is a patent of Microsoft Corporation.
System Block Diagram
Note: A license is required to development host systems using SD memory card. For more information, please contact the SD Association.
Recommended Products
| Block | Semiconductor device | Recommended products | Features, etc. |
|---|---|---|---|
| Control MCU | MCU | 78K0R Series | 16-bit CPU core, serial interface |
| V850 Series | 32-bit CPU core, serial interface | ||
| H8S Family | 16-bit CISC H8S/2000 CPU core, serial interface | ||
| H8SX Family | 32-bit CISC H8SX CPU core, serial interface, CRC calculator | ||
| M16C/60 Series | 16-bit CISC M16C/60 CPU core, serial interface, CRC calculator | ||
| M32C/80 Series | 16/32-bit CISC M32C/80 CPU core, serial interface, CRC calculator | ||
| R32C/100 Series | 32-bit CISC R32C/100 CPU core, serial interface, CRC calculator | ||
| R8C Family | 16-bit CISC R8C CPU core, serial interface | ||
| SH-2A (SH7260 Series) | 32-bit RISC SH-4A core, SD memory card interface | ||
| SH-4A (SH-MobileR Series) | 32-bit RISC SH-4A core, SD memory card interface | ||
| Power supply, other | Zener diode | HZMxNB Series | 3-terminal (1 device included) face-mount outline |
| HZLxxZ4 Series, RKZxxKG,KK Series | 2-terminal face-mount outline High ESD, Low capacitance Series | ||
| Switching diode | HSC/HSD119/HSU119 | 2-terminal face-mount outline | |
| HSM/HSB2836 Series | 3-terminal (2 devices included) face-mount outline | ||
| Schottky diode | HRC0103C/RER0202 Series | 3-terminal face-mount outline (low VF, low leak current) | |
| HRV103B,RKR104BRH | low IR, low VF type | ||
| RKR0505BKH | 3-terminal face-mount outline (low VF) | ||
| MCU peripheral | Reset IC | RNA519xx Series | Variable detection voltage |
| Discrete | Power MOSFET | HAT1089 | PMOS FET |
| μPA651TT, μPA652TT |
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