Pr

Pr

Pr

Pr

Preliminar

eliminar

eliminar

eliminar

eliminar

y

y

y

y

y

2

* This specification are subject to be changed without notice.

1.23.2002

EM55000SERIES

EM55000SERIES

EM55000SERIES

EM55000SERIES

EM55000SERIES

TINYCONTROLLER-BASEDSYNTHESIZER

TINYCONTROLLER-BASEDSYNTHESIZER

TINYCONTROLLER-BASEDSYNTHESIZER

TINYCONTROLLER-BASEDSYNTHESIZER

TINYCONTROLLER-BASEDSYNTHESIZER

EASY SOUND -

EASY SOUND -

EASY SOUND -

EASY SOUND -

EASY SOUND -

PIN DESCRIPTIONS

PIN DESCRIPTIONS

PIN DESCRIPTIONS

PIN DESCRIPTIONS

PIN DESCRIPTIONS

Symbol

Symbol

Symbol

Symbol

Symbol

I/O

I/O

I/O

I/O

I/O

Function

Function

Function

Function

Function

P1.0

I

Bit 0 of Port 1. (not for EM55001, EM55002)

P1.1

I

Bit 1 of Port 1. (not for EM55001, EM55002)

P1.2

I

Bit 2 of Port 1. (not for EM55001, EM55002)

P1.3

I

Bit 3 of Port 1. (not for EM55001, EM55002)

P2.0

I/O

Bit 0 of Port 2.

P2.1

I/O

Bit 1 of Port 2.

P2.2

I/O

Bit 2 of Port 2. (not for EM55001)

P2.3

I/O

Bit 3 of Port 2. (not for EM55001)

P3.0

I/O

Bit 0 of Port 3. (not for EM55001)

P3.1

I/O

Bit 1 of Port 3. (not for EM55001)

P3.2

I/O

Bit 2 of Port 3. The pin can generate 38KHz square wave.

P3.3

I/O

Bit 3 of Port 3. The pin can be treated as an LED output flashing with volume.

P4.0

I/O

Bit 0 of Port 4. (not for EM55001 ~ EM55400)

P4.1

I/O

Bit 1 of Port 4. (not for EM55001 ~ EM55400)

P4.2

I/O

Bit 2 of Port 4. (not for EM55001 ~ EM55400)

P4.3

I/O

Bit 3 of Port 4. (not for EM55001 ~ EM55400)

VDD

I

Positive digital power supply.

OSCI

I

Ring oscillator/crystal input pin.

RESET

I

Reset Pin. (not for EM55001, EM55002, EM55100)

OSCO

O

Crystal output pin. (not for EM55001, EM55002, EM55100)

TEST

I

For testing only. (not for EM55001, EM55002)

VSSD

I

Negative digital power supply.

VCC

I

Positive analog power supply. (not for EM55001)

VSSC

I

Negative analog power supply. (not for EM55001)

VO

O

Constant current output / Push Pull voice output.

VO1

O

Push Pull voice output. (not for EM55001)