AT89C51SND1C-7HTUL Atmel, AT89C51SND1C-7HTUL Datasheet - Page 25

• Manufacturer Part Number: AT89C51SND1C-7HTUL
• Description: IC MCU 64KB FLASH MEM 81-CBGA
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND1C-7HTUL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, IDE/ATAPI, MMC, SPI, UART/USART, USB
• Peripherals: Audio, I²S, MP3, PCM, POR, WDT
• Number Of I /o: 44
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 81-CBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

4109L–8051–02/08
Reset Value = XXXX XXXX, UUUU UUUU after an hardware full chip erase.
Table 25. SSB Byte – Software Security Byte
Reset Value = XXXX XXXX, UUUU UUUU after an hardware full chip erase.
Number
Number
SSB7
7 - 0
7 - 0
Bit
Bit
7
Mnemonic Description
Mnemonic Description
ADD15:8
SSB7:0
SSB6
Bit
Bit
6
MSB of the user’s boot loader 16-bit address location
Refer to the boot loader datasheet for usage information (boot loader dependent)
Software Security Byte Data
Refer to the boot loader datasheet for usage information (boot loader dependent)
SSB5
5
SSB4
4
SSB3
3
AT8xC51SND1C
SSB2
2
SSB1
1
SSB0
0
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