MB90520B Series
(Continued)
• External event interrupt control function
DTP/external interrupts : 8 channels (Can be set to detect rising edges, falling edges, “H” levels, or “L” levels)
Wake-up interrupts : 8 channels (Detects “L” levels only)
Delayed interrupt generation module : 1 channel (for task switching)
• Analog/digital conversion
8/10-bit A/D converter : 8 channels (Can be initiated by an external trigger. Minimum conversion time = 10.2
µs for a 16 MHz machine clock)
8-bit D/A converter : 2 channels (R-2R type. Settling time = 12.5 µs for a 16 MHz machine clock)
• Display function
LCD controller/driver : 32 × segment drivers + 4 × common drivers
• Other
Supports serial writing to flash memory. (Only on versions with on-board flash memory.)
Note : The MB90520B series cannot be used in external bus mode. Always set these devices to single-chip mode.
DS07-13707-5E
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