AT89LS52-16AU Atmel, AT89LS52-16AU Datasheet - Page 25

• Manufacturer Part Number: AT89LS52-16AU
• Description: IC MCU 8K FLASH 16MHZ 44-TQFP
• Manufacturer: Atmel
• Series: 89LSr

Specifications of AT89LS52-16AU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 4 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 4 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Minimum Operating Temperature: - 40 C
• Package: 44TQFP
• Device Core: 8051
• Family Name: 89LS
• Maximum Speed: 16 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 20-1. Programming the Flash Memory (Parallel Mode)
Figure 20-2. Verifying the Flash Memory (Parallel Mode)
2601C–MICRO–06/08
3-16 MHz
3-16 MHz
PROGRAMMING
MODES TABLE
PROGRAMMING
MODES TABLE
SEE FLASH
0000H/1FFFH
SEE FLASH
0000H/1FFFH
ADDR.
ADDR.
A8 - A12
A0 - A7
A8 - A12
A0 - A7
P1.0-P1.7
P2.0 - P2.4
P2.6
P2.7
P3.3
P3.6
P3.7
XTAL 2
XTAL1
GND
P1.0-P1.7
P2.0 - P2.4
P2.6
P2.7
P3.3
P3.6
P3.7
XTAL2
XTAL1
GND
AT89LS52
AT89LS52
PSEN
PSEN
P3.0
RST
ALE
RST
ALE
V
EA
P0
V
EA
CC
P0
CC
4.5V - 5.5V
4.5V - 5.5V
PGM DATA
(USE 10K
PULLUPS)
PGM
DATA
PROG
V /V
V
RDY/
BSY
V
V
IH
IH
IH
IH
PP
AT89LS52
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