EM78P5840N/41N/42N
8-Bit Microcontrollers
5 Pin Description
Pin Name
Power
AVDD
AVSS
Clock
XIN
I/O
Description
-
-
Power supply
Ground
I
O
I
Input pin for the 32.768 kHz oscillator
XOUT
PLLC
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.
OSC
I
Counter 1 external CLK input. This pin is shared with P94.
Note that the frequency of the input CLK must be less than 1MHz.
CIN
I
10-Bit 8 Channel A/D
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
PWM
PWM1
PWM2
IO
I
I
I
I
I
I
I
I
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.
O
O
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.
P60 ~ P61
P62 ~P65
I/O
I/O
Each bit in Port 62 to Port 65 can be an input or output port.
P70
I/O
I
Each bit in Port 70 can be an input or output port.
Port 71 is input only
P71
P73 ~ P76
P90 ~ P97
PC1 ~ PC2
I/O
I/O
I/O
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.
INT0
INT1
(Port 70)
(Port 71)
Interrupt sources with the same interrupt flag. A falling edge signal on any pin in
Port 71 will generate an interrupt.
Interrupt sources with the same interrupt flag. A falling edge signal on any pin in
Port 73 will generate an interrupt.
INT3
Port 73
I
/RESET
Low reset
4 •
Product Specification (V1.0) 04.25.2006
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
