Laptop User Manual

7521

Plus / N N/B MAINTENANCE

Interrupts

Nine external interrupt lines: NMI#, IRQ0 to 7#

26 on-chip interrupt sources

Power-down modes

Sleep mode

Software standby mode

Hardware standby mode

A single chip microcomputer

On-chip flash memory

Maximum 64-kbyte address space

Support three PS/2 port for external keyboard, mouse and internal track pad.

Support SMI, SCI trigger input:

Cover switch

Battery charging control

Smart Battery monitoring

Control D/D system on/off

Fan control and LED indicator serial interface

100pin TQFP