AT89LP6440-20AU Atmel, AT89LP6440-20AU Datasheet - Page 49

• 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

3706A–MICRO–9/09
Table 10-6.
Port Pin
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
P4.2
P4.6
P4.7
Port Pin Alternate Functions
PxM0.y
P3M0.2
P3M0.3
P1M0.2
P1M0.3
P1M0.4
P1M0.5
P1M0.6
P1M0.7
P2M0.0
P2M0.1
P2M0.2
P2M0.3
P2M0.4
P2M0.5
P2M0.6
P2M0.7
P3M0.0
P3M0.1
P3M0.4
P3M0.5
P3M0.6
P3M0.7
P3M0.5
Configuration Bits
not configurable
not configurable
PxM1.y
P1M1.2
P1M1.3
P1M1.4
P1M1.5
P1M1.6
P1M1.7
P2M1.0
P2M1.1
P2M1.2
P2M1.3
P2M1.4
P2M1.5
P2M1.6
P2M1.7
P3M1.0
P3M1.1
P3M1.2
P3M1.3
P3M1.4
P3M1.5
P3M1.6
P3M1.7
P3M1.5
AT89LP6440 - Preliminary
Alternate
Function
CMPB
CMPA
MOSI
MISO
GPI2
GPI3
GPI4
GPI5
GPI6
GPI7
AIN0
AIN1
AIN2
AIN3
SCK
CCA
CCB
CCC
CCD
RXD
INT0
INT1
SDA
SCL
DA+
TXD
RST
DA-
WR
RD
SS
T0
T1
Notes
open-drain
open-drain
input-only
input-only
input-only
input-only
input-only
input-only
RST must be disabled to use P4.2
Pin is tied to comparator output
Pin is tied to comparator output
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