19
7521
7521
Plus / N N/B MAINTENANCE
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
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