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CP3003-SA
Functional Description
ID 1052-6929, Rev. 3.0
Page 2 - 5
D R A F T — F O R I N T E R N A L U S E O N L Y
2.3
Intel® QM77 Express Chipset
The CP3003-SA is equipped with the mobile Intel® QM77 Express Chipset, a highly integrated
platform controller hub (PCH). The following chipset features are available on the CP3003-SA:
• Four x1 PCI Express 2.0 ports
• SATA host controller with six ports; two with 6 Gbit/s and four with 3 Gbit/s data transfer
rate and RAID 0/1/5/10 support
• USB 2.0 host interface with four USB 2.0 ports
• USB 3.0 host interface with up to two USB 3.0 ports
• SPI interface support
• Low Pin Count (LPC) interface
• Power management logic support
• Enhanced DMA controller, interrupt controller, and timer functions
• System Management Bus (SMBus) compatible with most I²C™ devices
• DMI and FDI interfaces to the processor
• Analog display port
• Two digital display ports
• High Definition Audio interface
• Integrated RTC
2.4
Timer
The CP3003-SA is equipped with the following timers:
• Real-Time Clock
The Intel® QM77 Express Chipset integrates a Motorola MC146818B-compatible real-
time clock with 256 Byte CMOS RAM. All CMOS RAM data remain stored in an additional
EEPROM device to prevent data loss.
• Counter/Timer
Three 8254-style counter/timers are included on the CP3003-SA as defined for the PC/AT.
• The Intel® QM77 Express Chipset integrates eight high-precision event timers.
2.5
Watchdog Timer
The CP3003-SA provides a Watchdog timer that is programmable for a timeout period ranging
from 125 ms to 4096 s in 16 steps. Failure to trigger the Watchdog timer in time results in a
system reset or an interrupt. In dual-stage mode, a combination of both interrupt and reset if
the Watchdog is not serviced. A hardware status flag will be provided to determine if the Watch-
dog timer generated the reset.
Содержание CP3003-SA
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Страница 167: ...CP3003 SA CP3003 V ID 1052 6929 Rev 3 0 Page F 1 CP3003 V Chapter 1 F D R A F T F O R I N T E R N A L U S E O N L Y...