AT89LP6440-20AU Atmel, AT89LP6440-20AU Datasheet - Page 83

• 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

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Table 15-1.
Table 15-2.
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Table 15-3.
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Table 15-4.
3706A–MICRO–9/09
GPMOD = 9AH
Not Bit Addressable
Bit
GPLS = 9BH
Not Bit Addressable
Bit
GPIEN = 9CH
Not Bit Addressable
Bit
GPIF = 9DH
Not Bit Addressable
Bit
GPMOD.x
GPMOD.x
GPMOD7
GPMOD
GPLS
GPIEN
GPIEN.x
GPIF
GPIEN7
GPLS7
GPIF.x
GPIF7
7
7
7
7
– General-purpose Interrupt Flag Register
– General-purpose Interrupt Level Select Register
– General-purpose Interrupt Enable Register
– General-purpose Interrupt Mode Register
0 = level-sensitive interrupt for P1.x
1 = edge-triggered interrupt for P1.x
0 = detect low level or negative edge on P1.x
1 = detect high level or positive edge on P1.x
0 = interrupt for P1.x disabled
1 = interrupt for P1.x enabled
0 = interrupt on P1.x inactive
1 = interrupt on P1.x active. Must be cleared by software.
GPMOD6
GPIEN6
GPLS6
GPIF6
6
6
6
6
GPMOD5
GPIEN5
GPLS5
GPIF5
5
5
5
5
GPMOD4
GPIEN4
GPLS4
GPIF4
4
4
4
4
GPMOD3
GPIEN3
GPLS3
GPIF3
3
3
3
3
AT89LP6440 - Preliminary
GPMOD2
GPIEN2
GPLS2
GPIF2
2
2
2
2
Reset Value = 0000 0000B
Reset Value = 0000 0000B
Reset Value = 0000 0000B
Reset Value = 0000 0000B
GPMOD1
GPIEN1
GPLS1
GPIF1
1
1
1
1
GPMOD0
GPIEN0
GPLS0
GPIF0
0
0
0
0
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