MB91310 データシートの表示（PDF） - Fujitsu

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MB91310

Proprietary 32-bit Microcontroller

Fujitsu 

MB91310 Series

• Instructions adapted for high-level languages: Function entry/exit instructions, multiple-register load/store in-

structions

• Register interlock functions: Facilitating coding in assemblers

• On-chip multiplier supported at the instruction level.

Signed 32-bit multiplication: 5 cycles.

Signed 16-bit multiplication: 3 cycles

• Interrupt (PC, PS save): 6 cycles, 16 priority levels

• Harvard architecture allowing program access and data access to be executed simultaneously

• Instruction prefetch function implemented by a four-word queue in the CPU

• Instruction compatible with FR family

• Bus interface

This bus interface is used for macro connection. (USB, MS-IF, OSDC)

• Operating frequency Max 20 MHz

• 16-bit data input/output (Interface to the USB, MS-IF, and OSDC)

• Chip-select signals can be output for completely independent eight areas allocatable in a minimum of 64 KB.

The CS1, CS2, and CS3 areas are reserved as follows. CS0, CS4, to CS3 are Mnusable.

CS1 area : USB host

CS2 area : USB function

CS3 area : MS-IF, OSDC

• Basic bus cycle : 2 cycles

• Programmable automatic wait cycle generator capable of inserting wait cycles for each area

CS1, CS2 and CS3 are reserved; their settings are fixed.

• Built-in RAM

• 16 KB built RAM capacity

• This RAM can be used as instruction RAM by writing instruction code as well as data.

• DMAC (DMA Controller)

• Connected to five channels (ch0, ch1 → USB function; ch2 → MS-IF).

• 3 forwarding factors (internal peripheral/software)

• Addressing using 32 - bit full addressing mode (increment, decrement, fixed)

• Demand transfer, burst transfer, step transfer, or block transfer

• Selectable transfer data size: 8-bit, 16-bit, or 32-bit

• Bit search module (for REALOS)

• Search for the position of the bit 1/0-changed first in one word from the MSB

• Reload timer (including 1 channel for REALOS)

• 16-bit PPG timer ch3

• The internal clock is optional from 2/8/32 en surroundings.

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