AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 73

• Manufacturer Part Number: AT89C51SND1C-ROTUL
• Description: IC 8051 MCU FLASH 64K MP3 80TQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND1C-ROTUL

• 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: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

4109L–8051–02/08
Table 81. MP3MED Register
MP3MED (S:B5h) – MP3 Medium Control Register
Reset Value = 0000 0000b
Table 82. MP3TRE Register
MP3TRE (S:B6h) – MP3 Treble Control Register
Reset Value = 0000 0000b
Table 83. MP3CLK Register
MP3CLK (S:EBh) – MP3 Clock Divider Register
Reset Value = 0000 0000b
Number
Number
Number
7 - 6
7 - 6
7 - 5
5-0
5-0
4-0
Bit
Bit
Bit
7
7
7
-
-
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
MPCD4:0
MED5:0
TRE5:0
Bit
Bit
Bit
6
6
6
-
-
-
-
-
-
Reserved
The value read from these bits is always 0. Do not set these bits.
Medium Gain Value
Refer to Table 71 for the medium control description.
Reserved
The value read from these bits is always 0. Do not set these bits.
Treble Gain Value
Refer to Table 71 for the treble control 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.
MED5
TRE5
5
5
5
-
MPCD4
MED4
TRE4
4
4
4
MPCD3
MED3
TRE3
3
3
3
AT8xC51SND1C
MPCD2
MED2
TRE2
2
2
2
MPCD1
MED1
TRE1
1
1
1
MPCD0
MED0
TRE0
0
0
0
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