USB2244-AEZG-05 SMSC, USB2244-AEZG-05 Datasheet - Page 6

• Manufacturer Part Number: USB2244-AEZG-05
• Description: USB Interface IC Ultra Fast USB 2.0 Flash Media CTRL
• Manufacturer: SMSC

Specifications of USB2244-AEZG-05

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 1 Overview
Revision 2.0 (10-14-09)
The SMSC USB224x is a flash media card reader solution fully compliant with the USB 2.0
specification. All required resistors on the USB ports are integrated into the device. This includes all
series termination resistors on D+ and D– pins and all required pull-down and pull-up resistors. The
over-current sense inputs for the downstream facing ports have internal pull-up resistors.
Hardware Features
Compliance with the following flash media card specifications:
Software Features
Single chip flash media controller in low pin count 36-pin QFN, lead-free RoHS compliant package
Commercial temperature products support 0°C to +70°C: USB2240/41, USB2242 and USB2244
Industrial temperature products support -40°C to +85°C: USB2240i/41i, USB2242i and USB2244i
Up to 8 GPIOs
- Configuration and polarity for special function use such as LED indicators, button inputs, and
power control to memory devices
- The number of actual GPIOs depends on the implementation configuration used
One GPIO available with up to 200 mA drive and “fold-back” short circuit protection
8051 8-bit microprocessor
- 60 MHz - single cycle execution
- 64 KB ROM |14 KB RAM
Supports a single external 3.3 V supply source; internal regulators provide 1.8 V internal core
voltage for additional bill of materials and power savings
Secure Digital 2.0
- HS-SD and SDHC
- TransFlash™ and reduced form factor media
MultiMediaCard 4.2
- 1/4/8 bit MMC
Memory Stick 1.43
Memory Stick Pro Format 1.02
Memory Stick Pro-HG Duo Format 1.01
- Memory Stick, MS Duo, HS-MS, MS Pro-HG, MS Pro
Memory Stick Duo 1.10
xD-Picture Card 1.2
If the OEM is using an external EEPROM, the following features are available:
- Customizable vendor, product, language, and device ID’s
- 12-hex digits maximum for the serial number string
- 28-character manufacturer ID and product strings for the flash media reader/writer
- LED blink interval or duration
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
DATASHEET
6
SMSC USB224x
Datasheet