mb90f378 Fujitsu Microelectronics, Inc., mb90f378 Datasheet - Page 2

• Manufacturer Part Number: mb90f378
• Description: 16-bit Proprietary Microcontroller
• Manufacturer: Fujitsu Microelectronics, Inc.

2
MB90378 Series
• Clock
• CPU addressing space of 16 Mbytes
• Instruction set optimized for controller applications
• Instruction set designed for high level language (C) and multi-task operations
• Program patch function (2 address pointer)
• Improved execution speed
• Powerful interrupt function
• Automatic data transmission function independent of CPU operation
• Low-power consumption (standby) mode
• Dual operation flash
• Package
• Process
FEATURES
• Embedded PLL clock multiplication circuit
• Operating clock (PLL clock) can selected from divided-by-2 of oscillation or one to four times the oscillation
• Minimum instruction execution time of 50 ns (at oscillation of 5 MHz, four times the PLL clock, operation at
• Rich data types (bit, byte, word, long word)
• Rich addressing mode (23 types)
• High code efficiency
• Enhanced precision calculation realized by the 32-bit accumulator
• Adoption of system stack pointer
• Enhanced pointer indirect instructions
• Barrel shift instructions
• Priority level programmable : 8 levels
• 32 factors of stronger interrupt function
• Extended intelligent I/O service function (EI
• Maximum 16 channels
• Sleep mode (mode in which CPU operating clock is stopped)
• Timebase timer mode (mode in which operations other than timebase timer and watch timer are stopped)
• Stop mode (mode in which all oscillations are stopped)
• CPU intermittent operation mode
• Watch mode
(at oscillation of 4 MHz to 20 MHz)
V
Internal 24-bit addressing
4-byte instruction queue
Upper and lower banks of flash memory can be used to execute erase/program and read operation
concurrently (MB90F378)
LQFP-144 (FPT-144P-M12 : 0.4 mm pitch)
CMOS technology
CC
of 3.3 V)
2
OS)