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February 12, 2009     

Micro/sys Releases Trio of New General-Purpose StackableUSB™ Industrial Client Microcontroller Boards

Montrose, CA... Micro/sys continues to expand its selection of StackableUSB boards with the release of three (3) general-purpose industrial Client microcontroller boards: the USB1132, USB1124, and USB1108. When combined with off-the-shelf embedded SBCs, these new plug-on I/O boards easily enable the SBCs to perform mid-range control functions. Each plug-and-play microcontroller module covers a range of A/D, digital I/O, RS232, and timer control functions on an extremely small (1.85" x 1.78") footprint, making them affordable and easy to add onto embedded systems.

The first in this family of Client-side microcontrollers is the USB1132, a PIC32 Industrial Client microcontroller that is ideal for applications that require more performance than microcontrollers have typically offered in the past. Powered by the Microchip PIC32, the USB1132 has 1.56 DMIPS/MHz performance at 80MHz, 512KB flash, and 32KB SRAM memory. Features include 16 channel, 10-bit, 500ksps ADC, RS232, eight (8) programmable LEDs, digital I/O, and much more (SPI, I2C, timers).

The next offering is the USB1124, the more energy-economical PIC24 Industrial Client microcontroller. Powered by the Microchip PIC24, the USB1124 has 16 MIPS performance at 32MHz, 256KB flash, and 16KB SRAM memory. With features similar to that of the USB1132, the USB1124 is well-suited for applications with limited power or remote locations, as the 16 MIPS performance typically requires only 40mA power—a figure small enough for battery-powered applications.

Rounding out the new selection is the Micro/sys USB1108. Powered by an 8-bit, pipelined, 8051 General Purpose microcontroller (the Silicon Labs C8051F340), the USB1108 has 48 MIPS performance at 48MHz, 64KB flash, 2K EEPROM, and 4352 bytes RAM. The USB1108 gives OEMs access to basic microcontroller features such as a 10-bit differential ADC, digital I/O, timers, PWMs, SPI, I2C, and RS232.

The exceptional feature that sets these boards apart from other controllers is StackableUSB, which is the smallest stackable form factor (1.85" x 1.78") and a platform that enables the most cost-effective, space-efficient addition of control I/O. StackableUSB supports automatic enumeration, allowing the Host to detect each Client when plugged into the stack and then prompting the Host to install the drivers necessary for the system to operate with minimal human intervention. StackableUSB also supports power management, permitting boards to be placed in a low-power mode to conserve power. In addition, each of these three new boards is rated for industrial temperature operation (-40°C to +85°C).

The basic USB1132 starts at $165 in single quantity, the USB1124 at $145, and USB1108 at $125. Significant OEM discounts are available on all boards. Contact Technical Sales Dept., Micro/sys, Inc., 3730 Park Place, Montrose, CA 91020, phone (818) 244-4600, FAX (818) 244-4246, email:, URL:

About Micro/sys:
Micro/sys has been manufacturing OEM industrial microcomputer products since 1976, including board-level products and integrated computers. Micro/sys embedded computers are specified by OEMs in semiconductor processing, medical, mail handling, pharmaceutical, industrial marking, process control, and many other industries.

About StackableUSB:
StackableUSB brings USB to compact spaces opening up opportunities in industrial control systems, plus mobile, hand-held, military, medical, and remote communications applications. Visit for more information on StackableUSB and its ability to increase throughput as technology advances.


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