AT89LP52 Atmel Corporation, AT89LP52 Datasheet - Page 3

• Manufacturer Part Number: AT89LP52
• Manufacturer: Atmel Corporation

Specifications of AT89LP52

• Flash (kbytes): 8 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 36
• Uart: 1
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 3
• Isp: SPI
• Watchdog: Yes

1.3
1.4
3709D–MICRO–12/11
44-lead PLCC
44-pad VQFN/QFN/MLF
MOSI/P1.5
MISO/P1.6
INT0/P3.2
INT1/P3.3
SCK/P1.7
RXD/P3.0
TXD/P3.1
(MOSI) P1.5
(MISO) P1.6
NOTE:
Bottom pad
should be
soldered to ground
(INT0) P3.2
(INT1) P3.3
(RXD) P3.0
(SCK) P1.7
(TXD) P3.1
T0/P3.4
T1/P3.5
(T0) P3.4
(T1) P3.5
RST
*NC
RST
*NC
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
*NC
P4.4 (ALE)
P4.5 (PSEN)
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
POL
*NC
P4.4/ALE
P4.5/PSEN
P2.7/A15
P2.6/A14
P2.5/A13
AT89LP51/52
3