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EM78P5841NM

8-Bit Microcontrollers

ELAN Microelectronics 

EM78P5840N/41N/42N

8-Bit Microcontrollers

5 Pin Description

Pin Name I/O

Description

Power

AVDD

-

AVSS

-

Clock

XIN

I

XOUT

O

PLLC

I

OSC

I

CIN

I

10-Bit 8 Channel A/D

AD1

I

AD2

I

AD3

I

AD4

I

AD5

I

AD6

I

AD7

I

AD8

I

PWM

PWM1

O

PWM2

O

IO

P60 ~ P61

I/O

Power supply

Ground

Input pin for the 32.768 kHz oscillator

Output pin for the 32.768 kHz oscillator

Phase lock loop capacitor. Connect a capacitor (0.047µF to 0.1µF) to ground

ERIC mode clock signal input. This pin is shared with PLLC.

Counter 1 external CLK input. This pin is shared with P94.

Note that the frequency of the input CLK must be less than 1MHz.

ADC Input Channel 1. This pin is shared with Port 90.

ADC Input Channel 2. This pin is shared with Port 91.

ADC Input Channel 3. This pin is shared with Port 62.

ADC Input Channel 4. This pin is shared with Port 63.

ADC Input Channel 5. This pin is shared with Port 64.

ADC Input Channel 6. This pin is shared with Port 65.

ADC Input Channel 7. This pin is shared with Port 92.

ADC Input Channel 8. This pin is shared with Port 93.

Pulse width modulation output. This pin is shared with Port C1.

Pulse width modulation output. This pin is shared with Port C2.

Each bit in Port 60 and Port 61 can be an input or output port. These two pins

can be used for the ERIC and IRC modes.

P62 ~P65

I/O Each bit in Port 62 to Port 65 can be an input or output port.

P70

P71

P73 ~ P76

P90 ~ P97

PC1 ~ PC2

INT0

I/O

I

I/O

I/O

I/O

(Port 70)

Each bit in Port 70 can be an input or output port.

Port 71 is input only

Each bit in Port 7 can be an input or output port.

Each bit in Port 9 can be an input or output port.

Each bit in Port C can be an input or output port.

Interrupt sources. A falling or rising edge signal (controlled by the CONT

register) in Port 70 will generate an interrupt.

INT1

(Port 71)

Interrupt sources with the same interrupt flag. A falling edge signal on any pin in

Port 71 will generate an interrupt.

INT3

Port 73

Interrupt sources with the same interrupt flag. A falling edge signal on any pin in

Port 73 will generate an interrupt.

/RESET

I

Low reset

4•

Product Specification (V1.0) 04.25.2006

(This specification is subject to change without further notice)

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