ISP1181B is a USB peripheral controller from ISP company, supports full-speed data transfer (12Mbit/s), can be applied to many personal computer peripherals, such as printers, communication devices, scanners, external storage (Zip® drive) devices and digital still cameras.
The ISP1181B USB peripheral controller complies with USB Specification Rev. 2.0 and provides full‑speed (12 Mbit/s) communication for microcontroller‑based systems. It integrates a Serial Interface Engine, FIFO memory, a 3.3 V regulator, and a programmable clock output, offering a flexible, low‑power solution for a wide range of PC peripherals.
Typical applications include printers, scanners, mass‑storage devices, digital cameras and other USB‑enabled equipment. The datasheet details pin‑out, ordering information, package options (TSSOP48, HVQFN48) and the controller’s DMA, endpoint and power‑management features.
| Data transfer speed | Full‑speed 12 Mbit/s |
|---|---|
| USB endpoints | Up to 14 programmable endpoints + 2 fixed control IN/OUT |
| FIFO memory | 2462 bytes multi‑configuration FIFO |
| Operating temperature | -40 °C to +85 °C |
| Package types | TSSOP48 and HVQFN48 |
| Integrated voltage regulator | 3.3 V regulator |
| Crystal oscillator input | 6 MHz with integrated PLL |
| Bus‑powered capability | Low power consumption, low suspend current |
| Clock output | Programmable up to 48 MHz |
| USB bus voltage range | 4.0 V to 5.5 V |
It supports full‑speed USB at 12 Mbit/s.
It provides up to 14 programmable endpoints plus 2 fixed control endpoints.
The device operates from –40 °C to +85 °C.
The controller is offered in TSSOP48 and HVQFN48 packages.