MB91248 Datasheet | Fujitsu Semiconductor Limited

OVERVIEW MB91245/S series is Fujitsu’s general-purpose 32-bit RISC microcontroller, which is designed for embedded control applications that require high-speed real-time processing of consumer appliances. This microcontroller uses FR60Lite as its CPU, patible with other products in the FR- family. This series incorporates an LCD controller and stepping motor controller. - : FR, the abbreviation of FUJITSU RISC controller, is a line of products of FUJITSU Limited. - FEATURES - FR60Lite CPU - 32-bit RISC, load/store architecture, 5-stage pipeline - Maximum operating frequency : 32 MHz (Source oscillation is 4 MHz with x8 multiplier - PLL clock multiplier system) - 16-bit fixed-length instructions (basic instructions) - Instruction execution speed : 1 instruction per cycle - Instruction set optimized for embedded application : Memory-to-memory transfer, bit manipulation, barrel shift instructions etc. - Instructions adapted for programming C language : Function entry/exit instructions, multiple-register load/store instructions. - Register interlock function : Easier assembler coding enabled - Built-in multiplier supported at the instruction level Signed 32-bit multiplication : 5 cycles Signed 16-bit multiplication : 3 cycles (Continued) Be sure to refer to the “Check Sheet” for the latest cautions on development. “Check Sheet” is seen at the following support page URL : http://.fujitsu./global/services/microelectronics/product/mi/support/index.html “Check Sheet” lists the minimal requirement items to be checked to prevent problems beforehand in system development. Copyright©2006 FUJITSU LIMITED All rights reserved MB91245/S Series (Continued) - Interrupt (PC/PS save) : 6 cycles (16 priority levels) - Harvard architecture allowing program access and data access to be executed simultaneously. - Instruction set patible with FR family - Internal Peripheral Functions - Internal ROM size & ROM type MASK ROM : 256 Kbytes (MB91248/S) / 128 Kbytes (MB91247/S) Flash Memory...