at89lp2052-20xi ATMEL Corporation, at89lp2052-20xi Datasheet - Page 3
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at89lp2052-20xi
Manufacturer Part Number
at89lp2052-20xi
Description
At89lp2052 8-bit Microcontroller With 2/4-kbyte Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89LP2052-20XI.pdf
(93 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT89LP2052-20XI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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3. Pin Description
3547H–MICRO–5/07
Pin
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Symbol
XTAL2
XTAL1
GND
VCC
RST
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
Description
RST: External Active-High Reset input.
VPP: Parallel Programming Voltage. Raise to 12V to enable programming.
P3.0: User-configurable I/O Port 3 bit 0.
RXD: Serial Port Receiver input.
P3.1: User-configurable I/O Port 3 bit 1.
TXD: Serial Port Transmitter output.
XTAL2: Output from inverting oscillator amplifier.
XTAL1: Input to the inverting oscillator amplifier and internal clock generation circuits.
P3.2: User-configurable I/O Port 3 bit 2.
INT0: External Interrupt 0 input.
P3.3: User-configurable I/O Port 3 bit 3.
INT1: External Interrupt 1input.
P3.4: User-configurable I/O Port 3 bit 4.
T0: Timer 0 Counter input or PWM output
P3.5: User-configurable I/O Port 3 bit 5.
T1: Timer 1 Counter input or PWM output
Ground
P3.7: User-configurable I/O Port 3 bit 7.
SYSCLK: System Clock Output when System Clock Fuse is enabled.
P1.0: User-configurable I/O Port 1 bit 0.
AIN0: Analog Comparator Positive input.
P1.1: User-configurable I/O Port 1 bit 1.
AIN1: Analog Comparator Negative input.
P1.2: User-configurable I/O Port 1 bit 2.
P1.3: User-configurable I/O Port 1 bit 3
P1.4: User-configurable I/O Port 1 bit 4.
SS: SPI slave select.
P1.5: User-configurable I/O Port 1 bit 5.
MOSI: SPI master-out/slave-in. When configured as master, this pin is an output. When configured as
slave, this pin is an input.
P1.6: User-configurable I/O Port 1 bit 6.
MISO: SPI master-in/slave-out. When configured as master, this pin is an input. When configured
as slave, this pin is an output.
P1.7: User-configurable I/O Port 1 bit 7.
SCK: SPI Clock. When configured as master, this pin is an output. When configured as slave, this pin is
an input.
Supply Voltage
AT89LP2052/LP4052
3
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