AT89C51AC3 Atmel Corporation, AT89C51AC3 Datasheet - Page 41

• Manufacturer Part Number: AT89C51AC3
• Manufacturer: Atmel Corporation

Specifications of AT89C51AC3

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 32
• Spi: 1
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 2.25
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

Figure 24. Flash Memory Architecture with ENBOOT=0 (user modemode)
4383D–8051–02/08
Extra Row (128 Bytes)
Hardware Security (1 byte)
Column Latches (128 Bytes)
FFFFh
F800h
0000h
64K Bytes
FM0
Memory space not accessible
FM1 mapped between FFFFh and
F800h when bit ENBOOT is set in
AUXR1 register
Flash memory
boot space
2K Bytes
FM1
FFFFh
F800h
41