AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 73

• 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 13-14. MP3TRE Register
Reset Value = 0000 0000b
Table 13-15. MP3CLK Register
Reset Value = 0000 0000b
Bit Number
Bit Number
7 - 5
7 - 5
4-0
4-0
7
7
-
-
Mnemonic
Mnemonic
MPCD4:0
MP3TRE (S:B6h) – MP3 Treble Control Register
MP3CLK (S:EBh) – MP3 Clock Divider Register
TRE4:0
Bit
Bit
6
6
-
-
-
-
Description
Reserved
The value read from these bits is always 0. Do not set these bits.
Treble Gain Value
Refer to Table 13-3 for the treble control description.
Description
Reserved
The value read from these bits is always 0. Do not set these bits.
MP3 Decoder Clock Divider
5-bit divider for MP3 decoder clock generation.
5
5
-
-
MPCD4
TRE4
4
4
MPCD3
TRE3
AT8xC51SND2C/MP3B
3
3
MPCD2
TRE2
2
2
MPCD1
TRE1
1
1
MPCD0
TRE0
0
0
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