General Description
This device is an 8-bit high performance RISC-like microcontroller designed for USB product applications.
It is particularly suitable for use in products such as mice, keyboards and joystick. A HALT feature is in cluded to reduce power consumption.
FEATUREs
Operating voltage:
fSYS=6M/12MHz: 4.4V~5.5V
Low voltage reset function
32 bidirectional I/O lines (max.)
8-bit programmable timer/event counter with over flow interrupt
16-bit programmable timer/event counter and over flow interrupts
Crystal oscillator (6MHz or 12MHz)
Watchdog Timer
6 channels 8-bit A/D converter
PS2 and USB modes supported
USB 2.0 low speed function
4 endpoints supported (endpoint 0 included)
409615 program memory ROM
1608 data memory RAM
HALT function and wake-up feature reduce power consumption
8-level subroutine nesting
Up to 0.33s instruction cycle with 12MHz system clock at VDD=5V
Bit manipulation instruction
15-bit table read instruction
63 powerful instructions
All instructions in one or two machine cycles
28-pin SOP, 48-pin SSOP package