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Atmel Electronic Components Datasheet

AT89LP3240 Datasheet

8-bit Microcontroller

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Features
8-bit Microcontroller Compatible with MCS®51 Products
Enhanced 8051 Architecture
– Single-clock Cycle per Byte Fetch
– Up to 20 MIPS Throughput at 20 MHz Clock Frequency
– Fully Static Operation: 0 Hz to 20 MHz
– On-chip 2-cycle Hardware Multiplier
– 16x16 Multiply–Accumulate Unit
– 256x8 Internal RAM
– 4096x8 Internal Extra RAM
– Up to 4KB Extended Stack in Extra RAM
– Dual Data Pointers
– 4-level Interrupt Priority
Nonvolatile Program and Data Memory
– 32K/64K Bytes of In-System Programmable (ISP) Flash Program Memory
– 8K Bytes of Flash Data Memory
– Endurance: Minimum 100,000 Write/Erase Cycles
– Serial Interface for Program Downloading
– 64-byte Fast Page Programming Mode
– 256-Byte User Signature Array
– 2-level Program Memory Lock for Software Security
– In-Application Programming of Program Memory
Peripheral Features
– Three 16-bit Enhanced Timer/Counters
– Two 8-bit PWM Outputs
– 4-Channel 16-bit Compare/Capture/PWM Array
– Enhanced UART with Automatic Address Recognition and Framing
Error Detection
– Enhanced Master/Slave SPI with Double-buffered Send/Receive
– Master/Slave Two-Wire Serial Interface
– Programmable Watchdog Timer with Software Reset
– Dual Analog Comparators with Selectable Interrupts and Debouncing
– 8-channel 10-bit ADC/DAC
– 8 General-purpose Interrupt Pins
Special Microcontroller Features
– Two-wire On-chip Debug Interface
– Brown-out Detection and Power-on Reset with Power-off Flag
– Active-low External Reset Pin
– Internal RC Oscillator
– Low Power Idle and Power-down Modes
– Interrupt Recovery from Power-down Mode
I/O and Packages
– Up to 38 Programmable I/O Lines
– 40-lead PDIP or 44-lead TQFP/PLCC or 44-pad VQFN/MLF
– Configurable I/O Modes
• Quasi-bidirectional (80C51 Style)
• Input-Only (Tristate)
• Push-pull CMOS Output
• Open-drain
Operating Conditions
– 2.4V to 3.6V VDD Voltage Range
– -40° C to 85°C Temperature Range
– 0 to 20 MHz @ 2.4–3.6V
8-bit
Microcontroller
with 32K/64K
Bytes In-System
Programmable
Flash
AT89LP3240
AT89LP6440
3706C–MICRO–2/11


Atmel Electronic Components Datasheet

AT89LP3240 Datasheet

8-bit Microcontroller

No Preview Available !

1. Pin Configurations
1.1 40P6: 40-lead PDIP
T2/P1.0
T2EX/P1.1
SDA/P1.2
SCL/P1.3
SS/P1.4
MOSI/P1.5
MISO/P1.6
SCK/P1.7
RST/P4.2
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
1.2 44A: 44-lead TQFP (Top View)
40 VDD
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 P4.3
30 P4.4/ALE
29 P4.5
28 P2.7/AIN3/A15
27 P2.6/AIN2/A14
26 P2.5/AIN1/A13
25 P2.4/AIN0/A12
24 P2.3/A11/CCD
23 P2.2/A10/CCC
22 P2.1/A9/CCB
21 P2.0/A8/CCA
MOSI/P1.5
MISO/P1.6
SCK/P1.7
RST/P4.2
RXD/P3.0
VDD
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 P4.3
28 GND
27 P4.4/ALE
26 P4.5
25 P2.7/AIN3/A15
24 P2.6/AIN2/A14
23 P2.5/AIN1/A13
2 AT89LP3240/6440
3706C–MICRO–2/11


Part Number AT89LP3240
Description 8-bit Microcontroller
Maker ATMEL
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AT89LP3240 Datasheet PDF






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