W90P710CD/W90P710CDG
Advanced Interrupt Controller
y
y
y
y
y
y
31 interrupt sources, including 6 external interrupt sources
Programmable normal or fast interrupt mode (IRQ, FIQ)
Programmable as either edge-triggered or level-sensitive for 6 external interrupt sources
Programmable as either low-active or high-active for 6 external interrupt sources
Priority methodology is encoded to allow for interrupt daisy-chaining
Automatically mask out the lower priority interrupt during interrupt nesting
USB Host Controller
y
y
y
y
y
USB 1.1 compliant
Compatible with Open HCI 1.0 specification
Supports low-speed and full speed devices
Build-in DMA for real time data transfer
Two on-chip USB transceivers with one optionally shared with USB Device Controller
USB Device Controller
y
USB 1.1 compliant
y
Support four USB endpoints including one control endpoint and 3 configurable endpoints for rich
USB functions
Two PLLs
y
y
y
y
y
The external clock can be multiplied by on-chip PLL to provide high frequency system clock
The input frequency range is 3-30MHz; 15MHz is preferred.
One PLL for both CPU and USB host/device controller
One PLL for LCD pixel clock and audio IIS 12.288/16.934MHz clock source
Programmable clock frequency
Real Time Clock (RTC)
y
y
y
y
y
y
y
y
y
32.768KHz operation
Time counter (second, minute, hour) and calendar counter (day, month, year)
Alarm register (second, minute, hour, day, month, year)
12 or 24-hour mode selectable
Recognize leap year automatically
Day of the week counter
Frequency compensate register (FCR)
Beside FCR, all clock and alarm data expressed in BCD code
Support tick time interrupt
Publication Release Date: September 19, 2006
Revision B2
- 9 -
WINBOND [ WINBOND ]
