W90220F Winbond Electronics Corp America, W90220F Datasheet - Page 5

• Manufacturer Part Number: W90220F
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

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Winbond.
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2. FEATURES
PQFP 208-pin package
High level of integration
High performance and low power consumption
A flexible hardware serial ICE port for monitor/update cpu status at any time
minimal number of inter-chip connections
32-bit PA-RISC core with cache memory, multiply-accumulate module and flexible power management
unit
DMA controller provides two external 8-bit DMA slots and four 16-bit IDE-IO slots
memory controller supports four banks of EDO- or fast-page-mode DRAM, Flash, ROM and SRAM
an PCI bridge supports four PCI master devices
an IEEE-1284 compliant parallel port connecting an external printer
two RS-232 compliant serial port connecting external MODEM controller or other serial devices
a synchronous serial port connecting external audio or telephony codec devices
two timer channels for general purpose usage
0.35-micron single-poly-triple-metal CMOS process
split rail design (3.3V/5V IO and 3.3V core)
maximal operation frequency : 150 Mhz
typical active current : 2.5mA/Mhz
typical suspend current (PLL turn off) : -
fully static design, afford dynamic turn on/off cpu clock or PLL module+
programable standby clock to reduce standby current
real time clock and UART baud rate base on 14.318 Mhz
W90220F
Version 0.84