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Feeling Technology
Feeling Technology

FM8PE54E Datasheet Preview

FM8PE54E Datasheet

EPROM/ROM-Based 8-Bit Microcontroller

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FM8PE54E pdf
FEELING
TECHNOLOGY
FM8PE54/E56
EPROM/ROM-Based 8-Bit Microcontroller Series
Devices Included in this Data Sheet:
FM8PE54E/E56E : EPROM devices
FM8PE54/E56 : 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 (Word) RAM (Byte)
FM8PE54/E54E 18
16
512
49
FM8PE56/E56E 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.
Rev1.5 May 21, 2010
P.1/FM8PE54/E56




Feeling Technology
Feeling Technology

FM8PE54E Datasheet Preview

FM8PE54E Datasheet

EPROM/ROM-Based 8-Bit Microcontroller

No Preview Available !

FM8PE54E pdf
FEELING
TECHNOLOGY
FM8PE54/E56
GENERAL DESCRIPTION
The FM8PE54/E56 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 FM8PE54/E56 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 FM8PE54/E54E address 512×13 of program memory, and the FM8PE56/E56E address 1K×13 of program
memory.
The FM8PE54/E56 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
Rev1.5 May 21, 2010
P.2/FM8PE54/E56




Feeling Technology
Feeling Technology

FM8PE54E Datasheet Preview

FM8PE54E Datasheet

EPROM/ROM-Based 8-Bit Microcontroller

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FM8PE54E pdf
FEELING
TECHNOLOGY
PIN CONNECTION
PDIP, SOP
IOA2
IOA3
IOA4/T0CKI
IOA5/RSTB
Vss
IOB0/INT
IOB1
IOB2
IOB3
1
2
3
4
5
6
7
8
9
FM8PE54
FM8PE54E
FM8PE56
FM8PE56E
18 IOA1
17 IOA0
16 IOA7/OSCI
15 IOA6/OSCO
14 Vdd
13 IOB7
12 IOB6
11 IOB5
10 IOB4
FM8PE54/E56
SSOP
IOA2
IOA3
IOA4/T0CKI
IOA5/RSTB
Vss
Vss
IOB0/INT
IOB1
IOB2
IOB3
1
2
3
4
5
6
7
8
9
10
FM8PE54
FM8PE54E
FM8PE56
FM8PE56E
20 IOA1
19 IOA0
18 IOA7/OSCI
17 IOA6/OSCO
16 Vdd
15 Vdd
14 IOB7
13 IOB6
12 IOB5
11 IOB4
PIN DESCRIPTIONS
Name
I/O
Description
IOA0 ~ IOA7
I/O IOA0 ~ IOA7 as bi-direction I/O port, and IOA5 is an input only pin.
IOB0/INT
I/O Bi-direction I/O pin with system wake-up function / External interrupt input
IOB1 ~ IOB7 I/O Bi-direction I/O port with system wake-up function
T0CKI
I
Clock input to Timer0. Must be tied to Vss or Vdd, if not in use, to reduce current
consumption
RSTB
I System clear (RESET) input. This pin is an active low RESET to the device.
OSCI
I
X’tal type: Oscillator crystal input
RC type: Clock input of RC oscillator
OSCO
O
X’tal type: Oscillator crystal output.
RC mode: Outputs with the instruction cycle rate
Vdd - Positive supply
Vss - Ground
Legend: I=input, O=output, I/O=input/output
Rev1.5 May 21, 2010
P.3/FM8PE54/E56




Part Number FM8PE54E
Description EPROM/ROM-Based 8-Bit Microcontroller
Maker Feeling Technology
Total Page 30 Pages
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