AVR2-ST データシートの表示（PDF） - Unspecified
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AVR2-ST Datasheet PDF : 26 Pages
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Evalu8r User Manual V2.00
Pin Assignments
20-pin microcontrollers
8051
AVR
Pin Func1 Func2 Func1 Func2
Function
1
RST
RST
RESET pin
2
P3.0 (RXD) PD0 (RXD)
Serial UART RECEIVE
3
P3.1 (TXD) PD1 (TXD)
Serial UART TRANSMIT
4 XTAL2
XTAL2
Oscillator Output
5 XTAL1
XTAL1
Oscillator Input
6
P3.2 INT0 PD2 INT0
External Interrupt 0
7
P3.3 (INT1) PD2 INT1
External Interrupt 1
8
P3.4 T0
PD4
T0
Timer0 Input
9
P3.5 (T1) PD5
T1
Timer1 Input
10 GND
System GROUND connection
11 P3.7
PD6 ICP
12 P1.0 AIN0 PB0 AIN0
Analogue Input 0
13 P1.1 AIN1 PB1 AIN1
Analogue Input 1
14 P1.2
PB2
15 P1.3
PB3 OC1
16 P1.4
PB4
17 P1.5
PB5 MOSI SPI - Master OUT, Slave IN
18 P1.6
PB6 MISO SPI - Master IN, Slave OUT
19 P1.7
PB7 SCK
SPI - Serial Clock
20 VCC
System Vcc
Figure 38
Evalu8r
8051/AVR/ISP/RESET circuit
RS-232 Serial RECEIVE
RS-232 Serial Transmit
Pluggable Crystal
Pluggable Crystal
PB Switch 5
PB Switch 4
PB Switch 2
PB Switch 3
GROUND
PB Switch 1
LED 0 or A/D INPUT
LED 1 or A/D REF
LED 2
LED 3
LED 4
LED 5 & SPI
LED 6 & SPI
LED 7 & SPI
Vcc
16
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