MB91470 View Datasheet(PDF) - Fujitsu
Part Name
Description
Manufacturer
MB91470 Datasheet PDF : 90 Pages
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MB91470/480 Series
(Continued)
• 12-bit A/D Converter (successive approximation type)
• Resolution
: 12 bits
• Conversion Time : 2.0 µs (minimum conversion time for 33 MHz system clock)
2.2 µs (minimum conversion time for 40 MHz system clock)
• Differential input mode is available.
• Clock monitor
• Peripheral clock (CLKP) divided by 2/4/8/16/32/64/128/256 can be output.
• Multiplication and Addition Calculator
• RAM : Instruction RAM (I-RAM) 256 × 16-bit
Factor RAM (X-RAM)
64 × 32-bit
Variable RAM (Y-RAM) 64 × 32-bit
• High-speed multiplication and addition (seven-stage pipeline processing)
• Product addition (32-bit × 32-bit + 72-bit)
• Operation result is extracted rounded from 72 bits to 32 bits or 72-bit result data reading.
• DMAC (DMA Controller)
• Transfers can be started by software or by interrupts from the built-in peripherals.
• Wild register
• Instructions or data located at a target address can be replaced (in the built-in Flash/ROM area only) .
• External bus interface
• Maximum operating frequency of 40 MHz
• 16-bit address full output (64 Kbytes space) capability
• 8/16-bit data output
• Use of unused data/address pins as general-purpose I/O ports
• Totally independent 3-area chip select outputs that can be set at minimum of 64 Kbytes.
• Support of interface for various memory (SRAM, ROM/Flash)
• Basic bus cycle : 2 cycles
• Automatic wait cycle generator that can be programmed for each area and can insert waits
• External wait cycle using RDY input
• Other Features
• Watchdog timer
• Low-power consumption modes
• Sleep/stop function
• CMOS technologies : 0.18 µm
• Power supply : Single power supply (VCC = 4.0 V to 5.5 V)
* : Purchase of Fujitsu I2C components conveys a license under the Philips I2C Patent Rights to use, these
components in an I2C system provided that the system conforms to the I2C Standard Specification as defined
by Philips.
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