W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 8

• Manufacturer Part Number: W90221X
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

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W90221X version 0.6
HQFP 208-pin package
High level of integration
High performance and low power consumption
FEATURES
Minimum number of inter-chip connections
One 32-bit PA-RISC core with cache memory and multiply-accumulate module
One 2-D display controller that can directly connect to TV, LCD or monitor
One ISA-like bus interface to connect 8-bit ROM/Flash, and 8/16-bit ISA device
One memory controller that supports PC-100 SDRAM
One PCI bridge that supports up to four PCI master devices
One parallel port that can be run in the ECP mode as defined in the IEEE 1284
standard
One RS-232 compliant serial ports to connect external MODEM or other device
One debugging console port
One synchronous serial port connecting external audio or telephony Coder/Decoder
devices
Two timer channels for general purpose usage
0.35-micron single-poly-triple-metal CMOS process
Pure 3.3V logics within SDRAM interface
Split rail design (3.3V/5V IO and 3.3V core) in other interfaces
Operating frequency up to 100 MHz
Fully static design
Real time clock and UART baud rate based on 13.5 MHz or 18.432 MHz
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