AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 77

• Manufacturer Part Number: AT89LP51ED2-20AU
• Description: 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
• Manufacturer: Atmel

Specifications of AT89LP51ED2-20AU

• Rohs: yes
• Core: 8051
• Processor Series: AT89x
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 256 B
• On-chip Adc: Yes
• Operating Supply Voltage: 2.4 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: TQFP-44
• Mounting Style: SMD/SMT
• Data Rom Size: 4 KB
• Interface Type: 2-Wire, SPI, UART
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Program Memory Type: Flash
• Factory Pack Quantity: 160

3714A–MICRO–711
Table 12-7.
Port Pin
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
Port Pin Alternate Functions
PxM0.y
P3M0.2
P3M0.3
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
Configuration Bits
AT89LP51RD2/ED2/ID2 Preliminary
PxM1.y
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
Alternate
Function
CEX1
CEX2
CEX3
CEX4
MISO
MOSI
MISO
MOSI
GPI4
GPI5
GPI6
GPI7
AIN0
AIN1
AIN2
AIN3
SCK
SCK
RXD
INT0
INT1
DA+
TXD
A10
A11
DA-
A12
A13
A14
A15
WR
SS
A8
A9
T0
T1
Notes
REMAP = 1
REMAP = 0
REMAP = 1
REMAP = 0
REMAP = 1
REMAP = 0
REMAP = 1
input-only
input-only
input-only
input-only
input-only
input-only
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