1 mb89950/950a series features, Mb89950/950a series features – FUJITSU Semiconductor Controller MB89950/950A User Manual
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CHAPTER 1 OVERVIEW
1.1
MB89950/950A Series Features
The MB89950/950A series is a line of the general-purpose, single-chip microcontrollers.
In addition to a compact instruction set, the microcontrollers contain a variety of
peripheral functions such as an LCD controller/driver, UART, a serial I/O, PWC timer,
PWM timer and external interrupts.
■ MB89950/950A series features
●
Various package options
•
QFP packages (0.65 mm lead pitch) for MB89951A/MB89953A/MB89P955 only
●
High speed processing at low voltage
Minimum execution time: 0.8
µs/5 MHz
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F
2
MC-8L family CPU core
Instruction set optimized for controllers
•
Multiplication and division instructions
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16-bit arithmetic operations
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Test and branch instructions
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Bit manipulation instructions, etc.
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Single-clock control system
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Main clock: max. 5 MHz
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Four types of timer
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21-bit timebase timer
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Watchdog timer
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8-bit PWM timer (also can be used as an interval timer)
•
8-bit PWC timer
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Two types of serial interface
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UART
- 5, 7, 8 bits transfer data length
•
Serial I/O
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LCD controller/driver
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42 segments x 4 commons (max. 168 pixels)
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Built-in LCD voltage divider