FM8PS54 반도체 회로 부품 판매점
(FM8PS54 / FM8PS56) EPROM/ROM-Based 8-Bit Microcontroller Series
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 FEELING TECHNOLOGY |
FEELING
TECHNOLOGY
FM8PS54/S56
EPROM/ROM-Based 8-Bit Microcontroller Series
Devices Included in this Data Sheet:
‧ FM8PS54E/S56E : EPROM devices
‧ FM8PS54/S56 : Mask ROM devices
FEATURES
‧ Only 42 single word instructions
‧ All instructions are single cycle except for program branches which are two-cycle
‧ 13-bit wide instructions
‧ All ROM/EPROM area GOTO instruction
‧ All ROM/EPROM area subroutine CALL instruction
‧ 8-bit wide data path
‧ 5-level deep hardware stack
‧ Operating speed: DC-20 MHz clock input
DC-100 ns instruction cycle
Device
Pins # I/O # EPROM/ROM (Byte) RAM (Byte)
FM8PS54/S54E 18
16
512
49
FM8PS56/S56E 18
16
1K
49
‧ Direct, indirect addressing modes for data accessing
‧ 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler
‧ Internal Power-on Reset (POR)
‧ Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR)
‧ Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST)
‧ On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dog
enable/disable control
‧ Two I/O ports IOA and IOB with independent direction control (maximum 16 I/O pins)
‧ Soft-ware I/O pull-high/pull-down or open-drain control
‧ One internal interrupt source: Timer0 overflow; Two external interrupt source: INT pin, Port B input change
‧ Wake-up from SLEEP by INT pin or Port B input change
‧ Power saving SLEEP mode
‧ Built-in 8MHz, 4MHz, 1MHz, and 455KHz internal RC oscillator
‧ Programmable Code Protection
‧ Selectable oscillator options:
- ERC: External Resistor/Capacitor Oscillator
- HF: High Frequency Crystal/Resonator Oscillator
- XT: Crystal/Resonator Oscillator
- LF: Low Frequency Crystal Oscillator
- IRC: Internal Resistor/Capacitor Oscillator
- ERIC: External Resistor/Internal Capacitor Oscillator
‧ Wide-operating voltage range:
- EPROM : 2.3V to 5.5V
- ROM : 2.3V to 5.5V
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.
Rev0.2 Apr 24, 2006
P.1/FM8PS54/S56
Free Datasheet http://www.datasheet4u.com/
FEELING
TECHNOLOGY
FM8PS54/S56
GENERAL DESCRIPTION
The FM8PS54/S56 series is a family of low-cost, high speed, high noise immunity, EPROM/ROM-based 8-bit
CMOS microcontrollers. It employs a RISC architecture with only 42 instructions. All instructions are single cycle
except for program branches which take two cycles. The easy to use and easy to remember instruction set reduces
development time significantly.
The FM8PS54/S56 series consists of Power-on Reset (POR), Brown-out Reset (BOR), Power-up Reset Timer
(PWRT), Oscillator Start-up Timer(OST), Watchdog Timer, EPROM/ROM, SRAM, tri-state I/O port, I/O
pull-high/open-drain/pull-down control, Power saving SLEEP mode, real time programmable clock/counter,
Interrupt, Wake-up from SLEEP mode, and Code Protection for EPROM products. There are three oscillator
configurations to choose from, including the power-saving LP (Low Power) oscillator and cost saving RC oscillator.
The FM8PS54/S54E address 512×13 of program memory, and the FM8PS56/S56E address 1K×13 of program
memory.
The FM8PS54/S56 can directly or indirectly address its register files and data memory. All special function registers
including the program counter are mapped in the data memory.
BLOCK DIAGRAM
Oscillator
Circuit
Watchdog
Timer
ALU
Interrupt
Control
5-level
STACK
Program
Counter
EPROM
/ ROM
Timer0
FSR
SRAM
Instruction
Decoder
Accumulator
PORTA
PORTB
Rev0.2 Apr 24, 2006
P.2/FM8PS54/S56
Free Datasheet http://www.datasheet4u.com/
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FM8PS54 controller
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[ FM8PS54.PDF ]
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