Product Summary

The USB97C223-NE-04 is a USB2.0 Bulk Only Mass Storage Class Peripheral Controller intended for supporting CompactFlash (CF) in True IDE Mode only, SmartMedia (SM) and XD cards, Memory Stick (MS) and Memory Stick Pro (MSPRO), Secure Digital (SD) and MultiMediaCard (MMC) flash memory devices. The USB97C223-NE-04 provides a single chip solution for the most popular flash memory cards in the market. The USB97C223-NE-04 consists of a USB 2.0 PHY and SIE, buffers, Fast 8051 microprocessor with expanded scratchpad, and program SRAM, and CF, MS, SM and SD controllers. The SD controller supports both SD and MMC devices.

Parametrics

USB97C223-NE-04 absolute maximum ratings: (1)Operating Temperature Range : 0°C to +70°C; (2)Storage Temperature Range : -55°C to +150°C; (3)Lead Temperature Range (soldering, 10 seconds): +325°C; (4)Positive Voltage on any pin, with respect to Ground : 5.5V; (5)Negative Voltage on any pin, with respect to Ground : -0.3V; (6)Maximum VDD, VDDP : +2.5V; (7)Maximum VDDIO, VDDA : +4.0V.

Features

USB97C223-NE-04 features: (1)Support for simultaneous operation of all above devices. (only one at a time of each of the following groups supported: CF or ATA drive, SM or XD or NAND, SD or MMC); (2)On-Chip 4-Bit High Speed Memory Stick and MS PRO Hardware Circuitry; (3)On-Chip firmware reads and writes High Speed Memory Stick and MS PRO; (4)USB Bus Power Certified; (5)3.3 Volt I/O with 5V input tolerance; (6)Complete USB Specification 2.0 Compatibility for Bus Powered Operation; (7)On Board 12Mhz Crystal Driver Circuit; (8)On-Chip 1.8V Regulator for Low Power Core Operation; (9)Internal PLL for 480Mhz USB2.0 Sampling, Configurable MCU clock.

Diagrams

USB97C223-NE-04 pin connection