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Atmel Electronic Components Datasheet

AT89LP52 Datasheet

8-bit Microcontroller

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Features
8-bit Microcontroller Compatible with 8051 Products
Enhanced 8051 Architecture
– Single Clock Cycle per Byte Fetch
– 12 Clock per Machine Cycle Compatibility Mode
– Up to 20 MIPS Throughput at 20 MHz Clock Frequency
– Fully Static Operation: 0 Hz to 20 MHz
– On-chip 2-cycle Hardware Multiplier
– 256 x 8 Internal RAM
– External Data/Program Memory Interface
– Dual Data Pointers
– 4-level Interrupt Priority
Nonvolatile Program and Data Memory
– 4K/8K Bytes of In-System Programmable (ISP) Flash Program Memory
– 256 Bytes of Flash Data Memory
– 256-byte User Signature Array
– Endurance: 10,000 Write/Erase Cycles
– Serial Interface for Program Downloading
– 64-byte Fast Page Programming Mode
– 3-level Program Memory Lock for Software Security
– In-Application Programming of Program Memory
Peripheral Features
– Three 16-bit Timer/Counters with Clock Out Modes
– Enhanced UART
• Automatic Address Recognition
• Framing Error Detection
• SPI and TWI Emulation Modes
– Programmable Watchdog Timer with Software Reset and Prescaler
Special Microcontroller Features
– Brown-out Detection and Power-on Reset with Power-off Flag
– Selectable Polarity External Reset Pin
– Low Power Idle and Power-down Modes
– Interrupt Recovery from Power-down Mode
– Internal 1.8432 MHz Auxiliary Oscillator
I/O and Packages
– Up to 36 Programmable I/O Lines
– Green (Pb/Halide-free) Packages
• 40-lead PDIP
• 44-lead TQFP/PLCC
• 44-pad VQFN/MLF
– Configurable Port Modes (per 8-bit port)
• Quasi-bidirectional (80C51 Style)
• Input-only (Tristate)
• Push-pull CMOS Output
• Open-drain
Operating Conditions
– 2.4V to 5.5V VCC Voltage Range
– -40° C to 85°C Temperature Range
– 0 to 20 MHz @ 2.4V–5.5V
– 0 to 25 MHz @ 4.5V–5.5V
8-bit
Microcontroller
with 4K/8K
Bytes In-System
Programmable
Flash
AT89LP51
AT89LP52
3709D–MICRO–12/11


Atmel Electronic Components Datasheet

AT89LP52 Datasheet

8-bit Microcontroller

No Preview Available !

1. Pin Configurations
1.1 40-lead PDIP
(T2) P1.0
(T2 EX) P1.1
P1.2
P1.3
P1.4
(MOSI) P1.5
(MISO) P1.6
(SCK) P1.7
RST
(RXD) P3.0
(TXD) P3.1
(INT0) P3.2
(INT1) P3.3
(T0) P3.4
(T1) P3.5
(WR) P3.6
(RD) P3.7
(XTAL2) P4.1
(XTAL1) P4.0
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 VCC
39 P0.0 (AD0)
38 P0.1 (AD1)
37 P0.2 (AD2)
36 P0.3 (AD3)
35 P0.4 (AD4)
34 P0.5 (AD5)
33 P0.6 (AD6)
32 P0.7 (AD7)
31 POL
30 P4.2 (ALE)
29 P4.3 (PSEN)
28 P2.7 (A15)
27 P2.6 (A14)
26 P2.5 (A13)
25 P2.4 (A12)
24 P2.3 (A11)
23 P2.2 (A10)
22 P2.1 (A9)
21 P2.0 (A8)
1.2 44-lead TQFP
(MOSI) P1.5
(MISO) P1.6
(SCK) P1.7
RST
(RXD) P3.0
*NC
(TXD) P3.1
(INT0) P3.2
(INT1) P3.3
(T0) P3.4
(T1) P3.5
1
2
3
4
5
6
7
8
9
10
11
33 P0.4 (AD4)
32 P0.5 (AD5)
31 P0.6 (AD6)
30 P0.7 (AD7)
29 POL
28 *NC
27 P4.4 (ALE)
26 P4.5 (PSEN)
25 P2.7 (A15)
24 P2.6 (A14)
23 P2.5 (A13)
2 AT89LP51/52
3709D–MICRO–12/11


Part Number AT89LP52
Description 8-bit Microcontroller
Maker ATMEL
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AT89LP52 Datasheet PDF






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