AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 179

• Manufacturer Part Number: AT89C51SND2C-7FTUL
• Description: IC 8051 MCU FLASH 64K MP3 100BGA
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND2C-7FTUL

• 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: 32
• 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; D/A 2x20b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: ATAPI, I2S, IDE, SPI, UART, USB
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT89C51SND2C7FTUL

4341H–MP3–10/07
Table 20-4.
SBUF (S:99h) – Serial Buffer Register
Reset value = XXXX XXXXb
Table 20-5.
SADDR (S:A9h) – Slave Individual Address Register
Reset Value = 0000 0000b
Table 20-6.
SADEN (S:B9h) – Slave Individual Address Mask Byte Register
Reset Value = 0000 0000b
Bit Number
Bit Number
Bit Number
SAD7
SAE7
SD7
7 - 0
7 - 0
7 - 0
7
7
7
Mnemonic
Mnemonic
Mnemonic
SBUF Register
SADDR Register
SADEN Register
SAD7:0
SAE7:0
SD7:0
SAD6
SAE6
SD6
Bit
Bit
Bit
6
6
6
Description
Serial Data Byte
Read the last data received by the serial I/O Port.
Write the data to be transmitted by the serial I/O Port.
Description
Slave Individual Address
Description
Slave Address Mask Byte
SAD5
SAE5
SD5
5
5
5
SAD4
SAE4
SD4
4
4
4
SAD3
SAE3
SD3
AT8xC51SND2C/MP3B
3
3
3
SAD2
SAE2
SD2
2
2
2
SAD1
SAE1
SD1
1
1
1
SAD0
SAE0
SD0
0
0
0
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