AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 71

• 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 13-8.
Reset Value = 0001 0001b
Table 13-9.
Reset Value = 0000 0000b
Table 13-10. MP3VOL Register
Reset Value = 0000 0000b
Bit Number
Bit Number
Bit Number
AND7
7 - 5
2 - 0
7 - 0
7 - 5
4 - 0
7
4
3
7
7
-
-
Mnemonic
Mnemonic
Mnemonic
MPBREQ
MPFREQ
MP3STA1 Register
MP3STA1 (S:AFh) – MP3 Decoder Status Register 1
MP3ANC Register
MP3ANC (S:ADh Read Only) – MP3 Ancillary Data Register
MP3VOL (S:9Eh) – MP3 Volume Left Control Register
AND7:0
VOL4:0
AND6
Bit
Bit
Bit
6
6
6
-
-
-
-
-
Description
Reserved
The value read from these bits is always 0. Do not set these bits.
MP3 Frame Data Request Flag
Set by hardware when MP3 decoder request data.
Cleared when MP3 decoder no more request data .
MP3 Byte Data Request Flag
Set by hardware when MP3 decoder request data.
Cleared when writing to MP3DAT.
Reserved
The value read from these bits is always 0. Do not set these bits.
Description
Ancillary Data Buffer
MP3 ancillary data Byte buffer.
Description
Reserved
The value read from these bits is always 0. Do not set these bits.
Volume Left Value
Refer to Table 13-2 for the left channel volume control description.
AND5
5
5
5
-
-
MPFREQ
AND4
VOL4
4
4
4
MPFREQ
AND3
VOL3
AT8xC51SND2C/MP3B
3
3
3
AND2
VOL2
2
2
2
-
AND1
VOL1
1
1
1
-
AND0
VOL0
0
0
0
-
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