EM78569 Ver la hoja de datos (PDF) - ELAN Microelectronics
Número de pieza
componentes Descripción
Fabricante
EM78569 Datasheet PDF : 53 Pages
| |||
EM78569
8-bit Micro-controller
VI. Pin Descriptions
PIN
I/O
DESCRIPTION
POWER
VDD
AVDD
POWER
Digital power
Analog power
VSS
AVSS
POWER
Digital ground
Analog ground
CLOCK
XIN
I
XOUT
O
Input pin for 32.768 kHz oscillator
Output pin for 32.768 kHz oscillator
PLLC
I
Phase loop lock capacitor, connect a capacitor 0.01u to 0.047u to the ground.
LCD
COM0 ~ COM3 O
Common driver pins of LCD drivers
SEG0 ~ SEG9 O
Segment driver pins of LCD drivers
SEG10 ~ SEG12 O (I/O : PORT5) SEG10 to SEG31 are shared with IO PORT.
SEG13 ~ SEG20 O (I/O : PORT9)
SEG21 ~ SEG28 O (I/O : PORTB)
SEG29 ~ SEG31 O (I/O : PORTC)
10-bit 6 channel A/D
VREF
I (P66)
AD1
I (P60)
ADC reference input. Shared with PORT66
ADC input channel 1. Shared with PORT60()
AD2
I (P61)
ADC input channel 2. Shared with PORT61
AD3
I (P62)
ADC input channel 3. Shared with PORT62
AD4
I (P63)
ADC input channel 4. Shared with PORT63
AD5
AD6
10-bit D/A
I(P64)
I(P65)
ADC input channel 5. Shared with PORT64
ADC input channel 6. Shared with PORT65
DAO
O(P67)
DAO is 10 bit DA output shared with PORT67
SPI
SCK
SDO
SDI
PWM
IO (PORT76)
O (PORT75)
I (PORT74)
Master: output pin, Slave: input pin. This pin shared with PORT76.
Output pin for serial data transferring. This pin shared with PORT75.
Input pin for receiving data. This pin shared with PORT74.
PWM1
O
Pulse width modulation output channel 1
PWM2
O
Pulse width modulation output channel 2
IO
P55~P57
I/O
PORT5 can be INPUT or OUTPUT port each bit.
PORT5(7:5) are shared with LCD Segment signal.
P60 ~P67
I/O
PORT6 can be INPUT or OUTPUT port each bit.
P70 ~ P77
I/O
PORT7 can be INPUT or OUTPUT port each bit.
PORT7(4~6) are shared with SPI interface pins
Internal Pull high function.
Interrupt function.
P80 ~ P87
I/O
PORT8 can be INPUT or OUTPUT port each bit.
Internal pull high.
PORT85 ~ P87 are shared with ADC input
PORT8(0~3) have wake-up functions(set by RE PAGE0)
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
5
8/31/2004 (V4.0)
Share Link: 