STPC STMicroelectronics, STPC Datasheet - Page 3

• Manufacturer Part Number: STPC
• Description: PC Compatible Embeded Microprocessor
• Manufacturer: STMicroelectronics

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PCI Controller
Fully compliant with PCI 2.1 specification.
Integrated PCI arbitration interface. Up to 3
masters can connect directly. External PAL
allows for greater than 3 masters.
Translation of PCI cycles to ISA bus.
Translation of ISA master initiated cycle to
PCI.
Support for burst read/write from PCI master.
0.33X and 0.5X CPU clock PCI clock.
ISA master/slave Interface
Generates the ISA clock from either
14.318MHz oscillator clock or PCI clock
Supports programmable extra wait state for
ISA cycles
Supports I/O recovery time for back to back
I/O cycles.
Fast Gate A20 and Fast reset.
Supports the single ROM that C, D, or E.
blocks shares with F block BIOS ROM.
Supports flash ROM.
Supports ISA hidden refresh.
Buffered DMA & ISA master cycles to reduce
bandwidth utilization of the PCI and Host bus.
NSP compliant.
IDE Interface
Supports PIO
Supports up to Mode 5 Timings
Transfer Rates to 22 MBytes/sec
Supports up to 4 IDE devices
Issue 1.2
Concurrent channel operation (PIO modes) -
4 x 32-Bit Buffer FIFOs per channel
Support for PIO mode 3 & 4.
Support for 11.1/16.6 MB/s, I/O Channel
Ready PIO data transfers.
Individual drive timing for all four IDE devices
Supports both legacy & native IDE modes
Supports hard drives larger than 528MB
Support for CD-ROM and tape peripherals
Backward compatibility with IDE (ATA-1).
Drivers for Windows and other Operating
Systems
Integrated peripheral controller
2X8237/AT compatible 7-channel DMA
controller.
2X8259/AT compatible interrupt Controller.
16 interrupt inputs - ISA and PCI.
Three 8254 compatible Timer/Counters.
Co-processor error support logic.
Power Management
Four power saving modes: On, Doze,
Standby, Suspend.
Programmable system activity detector
Supports SMM and APM.
Supports STOPCLK.
Supports IO trap & restart.
Independent peripheral time-out timer to
monitor hard disk, serial & parallel ports.
Supports RTC, interrupts and DMAs wake-up
STPC CONSUMER
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