W90220F Winbond Electronics Corp America, W90220F Datasheet - Page 12

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

The above information is the exclusive intellectual property of Winbond Electroncs Corp. and shall not be dsiclosed or distributed or reproduced without permission from
Winbond.
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Base on PA-RISC 1.1 level-0 architecture
32-bit integer instruction set and register files
Maximum 150Mhz operation frequency
3.3V and 0.01W/Mhz at full speed operation
On-chip power management
High-speed 32-bit integer pipeline design
On-chip cache memory
Dynamic branch prediction
CPU CORE
OVERVIEW
BLOCK DIAGRAM
FEATURES
- Build-in software-independent `dynamic power-down mode`
- Programable `stand-by ` and `sleep ` mode
- Specific instruction to assist power-down control and ICE function
- 6 stages for Load/Store instructions
- 5 stages for other instructions
- 4KB, direct-map instruction cache and 4KB, 4-way set-associative data cache
- Write-through and write-back support for data cache
- 1 level read buffer and wrap-arround support in each cache
- l level write buffer and hit-under-miss support in data cache
- Cache-locking support in instruction cache
W90220F
Version 0.84