AT89LP6440-20AU Atmel, AT89LP6440-20AU Datasheet - Page 2

• Manufacturer Part Number: AT89LP6440-20AU
• Description: MCU 8051 64K FLASH ISP 44TQFP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP6440-20AU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 38
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 8K x 8
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Package: 44TQFP
• Device Core: 8051
• Family Name: 89LP
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 38
• Interface Type: 2-Wire/SPI
• On-chip Dac: 8-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1. Pin Configurations
1.1
1.2
2
40P6: 40-lead PDIP
44A: 44-lead TQFP (Top View)
AT89LP6440 - Preliminary
MOSI/P1.5
MISO/P1.6
INT0/P3.2
INT1/P3.3
RXD/P3.0
SCK/P1.7
RST/P4.2
TXD/P3.1
T0/P3.4
T1/P3.5
VDD
XTAL2/P4.1
XTAL1/P4.0
T2EX/P1.1
MOSI/P1.5
MISO/P1.6
INT0/P3.2
INT1/P3.3
RXD/P3.0
1
2
3
4
5
6
7
8
9
10
11
SDA/P1.2
SCK/P1.7
SCL/P1.3
RST/P4.2
TXD/P3.1
WR/P3.6
RD/P3.7
SS/P1.4
T2/P1.0
T0/P3.4
T1/P3.5
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VDD
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
P4.3
P4.4/ALE
P4.5
P2.7/AIN3/A15
P2.6/AIN2/A14
P2.5/AIN1/A13
P2.4/AIN0/A12
P2.3/A11/CCD
P2.2/A10/CCC
P2.1/A9/CCB
P2.0/A8/CCA
33
32
31
30
29
28
27
26
25
24
23
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
P4.3
GND
P4.4/ALE
P4.5
P2.7/AIN3/A15
P2.6/AIN2/A14
P2.5/AIN1/A13
3706A–MICRO–9/09