AT89LP6440-20PU Atmel, AT89LP6440-20PU Datasheet - Page 5
AT89LP6440-20PU
Manufacturer Part Number
AT89LP6440-20PU
Description
MCU 8051 64K FLASH ISP 40PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP6440-20MU.pdf
(194 pages)
Specifications of AT89LP6440-20PU
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
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 1-1.
3706A–MICRO–9/09
TQFP
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
PLCC
Pin Number
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
AT89LP6440 Pin Description
PDIP
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
VQFN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Symbol
GND
GND
P2.0
P2.1
P2.1
P2.3
P2.4
P2.5
P2.6
P2.7
P4.5
P4.4
P4.3
P0.7
P0.6
P0.5
P0.4
P0.3
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
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
Description
Ground
P2.0: User-configurable I/O Port 2 bit 0.
CCA: Timer 2 Channel A Compare Output or Capture Input.
A8: External memory interface Address bit 8.
P2.1: User-configurable I/O Port 2 bit 1.
CCB: Timer 2 Channel B Compare Output or Capture Input.
A9: External memory interface Address bit 9.
P2.2: User-configurable I/O Port 2 bit 2.
CCC: Timer 2 Channel C Compare Output or Capture Input.
A10: External memory interface Address bit 10.
DA-: DAC negative differential output.
P2.3: User-configurable I/O Port 2 bit 3.
CCD: Timer 2 Channel D Compare Output or Capture Input.
A11: External memory interface Address bit 11.
D+-: DAC positive differential output.
P2.4: User-configurable I/O Port 2 bit 5.
AIN0: Analog Comparator Input 0.
A12: External memory interface Address bit 12.
P2.5: User-configurable I/O Port 2 bit 5.
AIN1: Analog Comparator Input 1.
A13: External memory interface Address bit 13.
P2.6: User-configurable I/O Port 2 bit 6.
AIN2: Analog Comparator Input 2.
A14: External memory interface Address bit 14.
P2.7: User-configurable I/O Port 2 bit 7.
AIN3: Analog Comparator Input 3.
A15: External memory interface Address bit 15.
P4.5: User-configurable I/O Port 4 bit 5.
P4.4: User-configurable I/O Port 4 bit 4.
ALE: External memory interface Address Latch Enable.
Ground
P4.3: User-configurable I/O Port 4 bit 3.
DDA: Serial Data input/output for On-Chip Debug Interface when OCD is enabled and
the Crystal oscillator is selected as the clock source.
P0.7: User-configurable I/O Port 0 bit 7.
AD7: External memory interface Address/Data bit 7.
ADC7: ADC analog input 7.
P0.6: User-configurable I/O Port 0 bit 6.
AD6: External memory interface Address/Data bit 6.
ADC6: ADC analog input 6.
P0.5: User-configurable I/O Port 0 bit 5.
AD5: External memory interface Address/Data bit 5.
ADC5: ADC analog input 5.
P0.4: User-configurable I/O Port 0 bit 4.
AD4: External memory interface Address/Data bit 4.
ADC4: ADC analog input 4.
P0.3: User-configurable I/O Port 0 bit 3.
AD3: External memory interface Address/Data bit 3.
ADC3: ADC analog input 3.
AT89LP6440 - Preliminary
5
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