AT89S4051 Atmel Corporation, AT89S4051 Datasheet - Page 45

• Manufacturer Part Number: AT89S4051
• Manufacturer: Atmel Corporation

Specifications of AT89S4051

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 24 MHz
• Cpu: 8051-12C
• Max I/o Pins: 15
• Uart: 1
• Sram (kbytes): 0.25
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 2
• Isp: SPI

57. Revision History
3390E–MICRO–6/08
Revision No.
Revision D – Feb. 2007
Revision E – June 2008
History
•
•
•
•
•
Removed Preliminary Status.
Added the qualifier “x1 and x2 Modes” to the Static Operation
range.
Changed the value ranges for Capacitors C1 and C2 in
on page
Changed the trigger level for the BOD from 2.2V to 2.0V.
Removed Standard Packaging Offering.
4.
AT89S2051/S4051
Figure 5-1
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