FM8PE53B datasheet(3/53 Pages) FEELING

Part #	FM8PE53B

Description	OTP-Based 8-Bit Microcontroller

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Manufacturer	FEELING [Feeling Technology Corp.]

Direct Link	http://www.feeling-tech.com.tw/

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FM8PE53B

Web site: http://www.feeling-tech.com.tw

Rev1.02.011 Aug 21, 2014

P.3/FM8PE53B

FEELING

TECHNOLOGY

PIN CONNECTION

PDIP, SOP

IOA0

IOB7

IOB6

VDD

IOB5/OSCI

IOB4/OSCO

IOB3/RSTB

IOA1

IOA2

IOA3

VSS

IOB0/INT

IOB1

IOB2/T0CKI

FM8PE53B

1

2

3

4

5

6

7

14

13

12

11

10

9

8

PIN DESCRIPTIONS

Name

I/O

Description

IOA0 ~ IOA3

I/O



IOA0 ~ IOA3 as bi-direction I/O pin



Software controlled pull-down

IOB0/INT

I/O



Bi-direction I/O pin with system wake-up function



Software controlled pull-high/open-drain/pull-down



External interrupt input

IOB1

I/O



Bi-direction I/O pin with system wake-up function



Software controlled pull-high/open-drain/pull-down

IOB2/T0CKI

I/O



Bi-direction I/O pin with system wake-up function



Software controlled pull-high/open-drain/pull-down



External clock input to Timer0

IOB3/RSTB

I/O



Input pin or open-drain output pin with system wake-up function



System clear (RESET) input. Active low RESET to the device. Weak pull-high

always on if configured as RSTB.



Voltage on this pin must not exceed VDD, See IOB3 diagram for detail

description.

IOB4/OSCO

I/O



Bi-direction I/O pin with system wake-up function (RCOUT optional in IRC/ERIC,

ERC mode)



Software controlled pull-high/open-drain



Oscillator crystal output (HF, XT, LF mode)



Outputs with the instruction cycle rate (RCOUT optional in IRC/ERIC, ERC mode)

IOB5/OSCI

I/O



Bi-direction I/O pin with system wake-up function (IRC mode)



Software controlled pull-high/open-drain



Oscillator crystal input (HF, XT, LF mode)



External clock source input (ERIC, ERC mode)

IOB6 ~ IOB7

I/O



Bi-direction I/O pin with system wake-up function



Software controlled pull-high/open-drain

Vdd

-

Positive supply

Vss

-

Ground

Legend: I=input, O=output, I/O=input/output

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FM8PE53B Datasheet(PDF) 3 Page - Feeling Technology Corp.

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