AT89LP52-20MU Atmel, AT89LP52-20MU Datasheet - Page 3

• Manufacturer Part Number: AT89LP52-20MU
• Description: IC MCU 8051 8K FLASH SPI 44VQFN
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP52-20MU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VFQFN Exposed Pad
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: Serial
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

1.3
1.4
3709B–MICRO–12/10
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
AT89LP51/52 - Preliminary
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
3