AT89S53-24AC Atmel, AT89S53-24AC Datasheet - Page 24

• Manufacturer Part Number: AT89S53-24AC
• Description: IC MICRO CTRL 24MHZ 44TQFP
• Manufacturer: Atmel
• Series: 89Sr

Specifications of AT89S53-24AC

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SPI, UART/USART
• Peripherals: 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): 4 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

Flash Programming and Verification Waveforms – Parallel Mode
Serial Downloading Waveforms
24
AT89S53
SERIAL CLOCK INPUT
MISO/P1.6
SCK/P1.7
SERIAL DATA INPUT
MOSI/P1.5
SERIAL DATA OUTPUT
MSB
MSB
7
6
5
4
3
2
1
LSB
LSB
0
0787E–MICRO–3/06