FM8P51
EPROM/ROM-Based 8-Bit Microcontroller
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Rev1.2 Mar 15, 2005
P.1/FM8P51
FEELING
TECHNOLOGY
Devices Included in this Data Sheet:
‧
FM8P51E : EPROM device
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FM8P51 : Mask ROM device
FEATURES
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Only 47 single word instructions
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All instructions are single cycle except for program branches which are two-cycle
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13-bit wide instructions
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8-bit wide data path
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5-level deep hardware stack
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4K x 13 bits on chip EPROM/ROM
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140 x 8 bits on chip general purpose registers (SRAM)
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Operating speed: DC-20 MHz clock input
DC-100 ns instruction cycle
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Direct, indirect addressing modes for data accessing
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One 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler
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Three 8-bit real time clock/counter (Timer1, Timer2, and Timer3) with period setting
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Internal Power-on Reset (POR)
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Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR)
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Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST)
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On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dog
enable/disable control
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Five I/O ports (38 I/O pins) with independent direction control
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32 programmable pull-high input pins
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12 wake-up pins
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2 open-drain pins
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2 R-option pins
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Clock output with high driving ability
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19 channels of 15-bit resolution Resistor to Frequency Converter (RFC) output
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2 channels of maximum 10-bit resolution Pulse Width Modulation (PWM) output
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Built-in 8-bit data comparator
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Seven internal interrupt source: Timer0 overflow, Timer1 match, Timer2 match, Timer3 match, SPI module
(Receive & Transmit), RFC module; One external interrupt source: INT pin change
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Wake-up from SLEEP by port input change
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Power saving SLEEP mode
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Programmable Code Protection
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Built-in RC oscillator with external resistor
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Selectable oscillator options:
- ERC: External Resistor/Capacitor Oscillator
- ERIC: External Resistor/Internal Capacitor Oscillator
- HF: High Frequency Crystal/Resonator Oscillator
- LF: Low Frequency Crystal Oscillator
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Wide-operating voltage range:
- EPROM : 2.3V to 5.5V
- ROM : 2.3V to 5.5V
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