The MC9S08JS16 (JS16) family features a full-speed 2.0 USB device controller and integrates a USB transceiver to help you reduce cost by eliminating off-chip components. The JS16 is ideal for affordable PC peripherals.
NXP® offers easy-to-use hardware and software solutions for JS16 devices to help you navigate the development process quickly and easily.
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## Features
### 8-Bit HCS08 Central Processing Unit (CPU)
* Up to 24 MHz internal bus (48 MHz HCS08 core) frequency offering 2.7 to 5.5V across temperature range of -40°C to +85°C
### On-Chip Memory
* Up to 16K flash read/program/erase over entire operating voltage and temperature ranges
* Up to 512 bytes random access memory (RAM)
* 256 byte USB RAM
### Power-Saving Modes
* Wait plus two stop modes
### Clock Source Options
* Clock source options include crystal, resonator and external clock
* Multi-purpose clock generator (MCG)—PLL and FLL
* Internal reference clock with trim adjustment
* Option to drive USB module with 32.768 kHz crystal
### Peripherals
* USB device module
* Serial Communications Interface (SCI) module with optional 13 bit break.
* Serial Peripheral Interface (SPI) - A single 8-bit or 16- bit module with receive data buffer (RDB) hardware match function
* TPM — Up to 2-channel 16-bit timer/pulse-width modulator (TPM) module
* RTC—(Real-time counter) 8-bit modulus counter with binary or decimal based prescaler
### Input/Output
* 8 interrupt pins with selectable polarity
* 12 general purpose input/output (GPIO) pins and 2 output only pins
### System Protection
* A watchdog Computer Operating Properly (COP) reset
* option to run from dedicated 1-kHz internal clock source or bus clock
* Low-voltage detection with reset or interrupt
* Illegal opcode detection with reset
* Illegal address detection with reset
* Flash block protection
### Development Support
* ROM based USB boot loader
* Single-wire background debug interface
* On-chip in-circuit emulator (ICE) debug with real time bus capture
