AT87F52-24AI Atmel, AT87F52-24AI Datasheet - Page 13

• Manufacturer Part Number: AT87F52-24AI
• Description: IC MICRO CTRL 24MHZ 44TQFP
• Manufacturer: Atmel
• Series: 87Fr

Specifications of AT87F52-24AI

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: UART/USART
• Number Of I /o: 32
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: OTP Quick FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Peripherals: -

Programming Interface
Every code byte in the QuickFlash array can be pro-
grammed by using the appropriate combination of control
signals. The write operation cycle is self-timed and once
initiated, will automatically time itself to completion.
QuickFlash Programming Modes
Mode
Write Code Data
Read Code Data
Write Lock
Read Signature Byte
Bit - 1
Bit - 2
Bit - 3
RST
H
H
H
H
H
H
PSEN
L
L
L
L
L
L
ALE/PROG
H
H
All major programming vendors offer worldwide support for
the Atmel microcontroller series. Please contact your local
programming vendor for the appropriate software revision.
EA/V
12V
12V
12V
12V
H
H
PP
P2.6
H
H
H
L
L
L
P2.7
H
H
H
L
L
L
P3.6
H
H
H
H
L
L
P3.7
H
H
H
L
L
L
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