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❍ Internal RAM
Mask product, FLASH product, EVA-FLASH product: 2 KB
❍ Internal data RAM
•
MB91FV150, MB91F155A, MB91155
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EVA-FLASH product, FLASH product, Mask product: 32 KB
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MB91154
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Mask product: 20 KB
❍ DMA controller (DMAC)
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DMAC of the descriptor type according to which transfer parameters are allocated in main
storage
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Capable of transferring up to eight internal and external sources
•
External source: 3 channels
❍ Bit search module
The bit search module makes a one-cycle search for the location of the first I/O bit change
starting with the MSB of a word.
❍ Timer
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16-bit OCU x 8 channels, ICU x 4 channels, free-run timer x 1 channel
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8-bit or 16-bit up/down timer/counter (8-bit x 2 channels or 16-bit x 1 channel)
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The AIN and BIN pins are shared with internal interrupts.
•
16-bit PPG timer x 6 channels. The cycle and duty of an output pulse can be changed to an
arbitrary value.
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16-bit reload timer x 4 channels
❍ D/A converter
8 bits x 3 channels
❍ A/D converter (successive approximation type)
•
10 bits x 8 channels
Successive approximation type (conversion time: 5.0 µs@33 MHz)
•
•
Singe and scan conversions can be selected, and single, continuous, and stop conversion
modes can be set.
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Hardware-driven or software-driven conversion function
CHAPTER 1 OVERVIEW OF THE MB91150
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