AT89LP6440-20AU Atmel, AT89LP6440-20AU Datasheet - Page 190
![MCU 8051 64K FLASH ISP 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
AT89LP6440-20AU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89LP6440-20AU
Manufacturer:
Cirrus
Quantity:
89
8
9
10 I/O Ports .................................................................................................. 44
11 Enhanced Timer 0 and Timer 1 with PWM ........................................... 50
12 Enhanced Timer 2 .................................................................................. 59
13 Compare/Capture Array ........................................................................ 68
14 External Interrupts ................................................................................. 81
15 General-purpose Interrupts .................................................................. 82
Power Saving Modes ............................................................................. 35
Interrupts ................................................................................................ 38
7.5
8.1
8.2
8.3
9.1
10.1
10.2
10.3
10.4
11.1
11.2
11.3
11.4
11.5
12.1
12.2
12.3
12.4
12.5
13.1
13.2
13.3
13.4
Software Reset ................................................................................................35
Idle Mode .........................................................................................................35
Power-down Mode ...........................................................................................36
Reducing Power Consumption ........................................................................37
Interrupt Response Time .................................................................................40
Port Configuration ............................................................................................44
Port Analog Functions .....................................................................................47
Port Read-Modify-Write ...................................................................................47
Port Alternate Functions ..................................................................................48
Mode 0 – Variable Width Timer/Counter .........................................................51
Mode 1 – 16-bit Auto-Reload Timer/Counter ...................................................51
Mode 2 – 8-bit Auto-Reload Timer/Counter .....................................................52
Mode 3 – 8-bit Split Timer ...............................................................................52
Pulse Width Modulation ...................................................................................55
Timer 2 Registers ............................................................................................60
Capture Mode ..................................................................................................61
Auto-Reload Mode ...........................................................................................62
Baud Rate Generator ......................................................................................66
Frequency Generator (Programmable Clock Out) ...........................................67
CCA Registers .................................................................................................69
Input Capture Mode .........................................................................................71
Output Compare Mode ....................................................................................74
Pulse Width Modulation Mode .........................................................................76
3706A–MICRO–9/09