AT89LP51ED2 Atmel Corporation, AT89LP51ED2 Datasheet - Page 2

• Manufacturer Part Number: AT89LP51ED2
• Manufacturer: Atmel Corporation

Specifications of AT89LP51ED2

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 42
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 7
• Adc Resolution (bits): 10
• Adc Speed (ksps): 153.8
• Sram (kbytes): 2.25
• Eeprom (bytes): 4096
• Self Program Memory: API
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 4
• Isp: SPI/OCD/UART
• Watchdog: Yes

1. Pin Configurations
1.1
1.2
2
44-lead TQFP/LQFP
44-lead PLCC
AT89LP51RD2/ED2/ID2 Preliminary
(†MOSI/CEX2/MISO) P1.5
(†MOSI/CEX2/MISO) P1.5
(†MISO/CEX3/SCK) P1.6
(†SCK/CEX4/MOSI) P1.7
(†MISO/CEX3/SCK) P1.6
(†SCK/CEX4/MOSI) P1.7
† SPI in remap mode
‡ AT89LP51ID2 Only
† SPI in remap mode
‡ AT89LP51ID2 Only
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(SDA) P4.1
(INT0) P3.2
(INT1) P3.3
(DCL) RST
(TXD) P3.1
(RXD) P3.0
(SDA) P4.1
(TXD) P3.1
(DCL) RST
(T0) P3.4
(T1) P3.5
(T0) P3.4
(T1) P3.5
1
2
3
4
5
6
7
8
9
10
11
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
33
32
31
30
29
28
27
26
25
24
23
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
POL
P4.0 (SCL)
P4.4 (ALE)
P4.5 (PSEN)
P2.7 (A15/AIN3)
P2.6 (A14/AIN2)
P2.5 (A13/AIN1)
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
POL
P4.0 (SCL)
P4.4 (ALE)
P4.5 (PSEN)
P2.7 (A15/AIN3)
P2.6 (A14/AIN2)
P2.5 (A13/AIN1)
3714A–MICRO–7/11