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■ OVERVIEW

MB91220/S series is a line of single-chip microcontrollers based on a 32-bit high-performance RISC CPU and integrating a variety of I/O resources for embedded control applications.

The MB91220/S series is designed to be best suited for embedded applications which require high-speed and high-performance processing power in the CPU, such as DVD players, printers, TV sets, and the PDP control.The MB91220/S series is a line of CPUs in the FR60Lite implemented by FR* family.

■ 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 supported by 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

? Interrupt (PC/PS save) : 6 cycles (16 priority levels)

? Harvard architecture allowing program access and data access to be executed simultaneously.

? Instruction set compatible with FR family

? Internal Peripheral Functions

? Internal ROM size & ROM type

Flash Memory : 512 Kbytes (MB91F223/S)

? Internal RAM size : 16 Kbytes (MB91F223/S) / 64 Kbytes (MB91V220)

? General-purpose ports : up to 120 ports (including 4 input-only ports)

? 8/10-bit A/D converter (Sequential comparison type)

8/10-bit resolution : 24 channels

Conversion time : 3 μs (16/32 MHz)

Set the PLL multiplier and the division ratio of peripheral circuit clocks so that the above conversion time is achieved.

32 MHz : Source oscillation (4 MHz) with ×8 multiplier, divided by 1

16 MHz : Source oscillation with ×8 multiplier, divided by 2

? D/A converter (R-2R type)

8-bit resolution : 2 channels

? External interrupt : 8 channels

? Bit search module (for REALOS)

? LIN-UART (full duplex double buffer type) : 4 channels

Synchronous/asynchronous clock operations selectable

Sync-break detection

Dedicated built-in baud-rate generator

? I2C Bus interface* : 2 channels

? Stepping motor controller (SMC) : 4 channels

10-bit PWM with 4 high-current outputs for each channel

? 8/16-bit PPG timer : 16 channels

? 16-bit reload timer : 3 channels

? 16-bit free-run timer : 2 channels (ICU/OCU linkage)

? 16-bit pulse width counter : 1 channel

? Input capture : 4 channels (free-run timers ch.0 and ch.1). ch.0 linked to PWC

? Output compare : 2 channels (free-run timer ch.0 )

? LCD controller : SEG0 to SEG31/COM0 to COM3 (shared with port)

? 16-bit timebase/watch dog timer

? Sound generator : 3 channels

? Real-time clock

? 32 kHz sub clock (not supported in devices with an S suffix in the part number)

? C-CAN : 2 channels

? Low power consumption modes : sleep mode, stop mode, watch mode

? Package : LQFP-144 (FPT-144P-M08)

? CMOS technology : 0.35 μm

? Power supply voltage : 5 V (Internal logic : 3.3 V, I/O : 5.0 V (step-down circuit used))