AT89LS53-12JI Atmel, AT89LS53-12JI Datasheet - Page 24

• Manufacturer Part Number: AT89LS53-12JI
• Description: IC 8051 MCU FLASH 12K 44PLCC
• Manufacturer: Atmel
• Series: 89LSr

Specifications of AT89LS53-12JI

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Other names: AT89LS5312JI

Serial Downloading Waveforms
Flash Programming and Verification Waveforms - Parallel Mode
24
AT89LS53
SERIAL CLOCK INPUT
SCK/P1.7
SERIAL DATA INPUT
MISO/P1.6
MOSI/P1.5
SERIAL DATA OUTPUT
MSB
MSB
7
6
5
4
3
2
1
LSB
LSB
0
0851C–MICRO–3/06