AT89LP52-20PU Atmel, AT89LP52-20PU Datasheet - Page 111

• Manufacturer Part Number: AT89LP52-20PU
• Description: IC MCU 8051 8K FLASH SPI 40PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP52-20PU

• 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: 40-DIP (0.600", 15.24mm)
• 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: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Table of Contents (Continued)
3709B–MICRO–12/10
15 Programmable Watchdog Timer ........................................................... 73
16 Instruction Set Summary ...................................................................... 75
17 Programming the Flash Memory .......................................................... 79
18 Electrical Characteristics ...................................................................... 92
19 Ordering Information ........................................................................... 103
20 Packaging Information ........................................................................ 104
21 Revision History ................................................................................... 108
15.1
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.9
18.1
18.2
18.3
18.4
18.5
18.6
18.7
18.8
19.1
20.1
20.2
20.3
20.4
Software Reset ................................................................................................73
Physical Interface ............................................................................................79
Memory Organization ......................................................................................81
Command Format ............................................................................................82
Status Register ................................................................................................85
DATA Polling ...................................................................................................85
Flash Security ..................................................................................................85
User Configuration Fuses ................................................................................86
User Signature .................................................................................................87
Programming Interface Timing ........................................................................87
Absolute Maximum Ratings* ...........................................................................92
DC Characteristics ...........................................................................................92
Typical Characteristics ....................................................................................93
Clock Characteristics .......................................................................................96
Reset Characteristics ......................................................................................97
External Memory Characteristics .....................................................................98
Serial Port Timing: Shift Register Mode ........................................................100
Test Conditions ..............................................................................................100
Green Package Option (Pb/Halide-free) ........................................................103
44A – TQFP ...................................................................................................104
40P6 – PDIP ..................................................................................................105
44J – PLCC ...................................................................................................106
44M1 – VQFN/MLF .......................................................................................107
AT89LP51/52 - Preliminary
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