
Fujitsu
■ DESCRIPTION
The MB86830 series is a SPARClite *1 series of RISC architecture processors, providing high performance for a variety of embedded applications. Conforming to the SPARC *2 architecture, the MB86830 series is upward code compatible with the conventional products in the SPARClite family. When running at 100 MHz, the MB86830 series provides performance of 121 VAX-MIPS.
■ FEATURES
• IU (integer unit)
Maximum operating frequency : 120 MHz
SPARC architecture V8E conforming
With 32-bits general register :136 / register window : 8
• Instruction cash
The entry lock function is supported
• Data cache
No cash controlling function supported
The entry lock function is supported
• BIU (bus interface unit)
Purifetchi baffa :1
Write buffer :4
The burst mode is supported
Programmable chip selection function :6
Programmable weight state control :6
For 8/16/32-bits bus
Automatic insertion function of idling cycle after ROM region is accessed
For burst mode ROM
• With internal clock multiplication circuit
• Sleep mode (low power consumption mode) supported
• With DRAM controller (except on the MB86836)
• With interrupt request controller (IRC)
• On-chip general-purpose 16-bit timer (MB86836 only):1 channel (equivalent to the MB86942)
• Support for the JTAG test port (MB86836 only)