AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 70

• 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

70
AT8xC51SND2C/MP3B
Table 13-6.
Reset Value = 0000 0001b
Table 13-7.
Reset Value = 0000 0000b
Bit Number
Bit Number
MPANC
MPD7
2 - 1
7 - 0
7
7
6
5
4
3
0
7
Mnemonic
Mnemonic
ERRCRC
ERRSYN
MPFS1:0
ERRLAY
MP3STA Register
MP3STA (S:C8h Read Only) – MP3 Decoder Status Register
MPREQ
MPREQ
MP3DAT Register
MP3DAT (S:ACh) – MP3 Data Register
MPD7:0
MPANC
MPVER
MPD6
Bit
Bit
6
6
Description
Ancillary Data Available Flag
Set by hardware as soon as one ancillary data is available (buffer not empty).
Cleared by hardware when no more ancillary data is available (buffer empty).
MP3 Data Request Flag
Set by hardware when MP3 decoder request data.
Cleared when reading MP3STA.
Invalid Layer Error Flag
Set by hardware when an invalid layer is encountered.
Cleared when reading MP3STA.
Frame Synchronization Error Flag
Set by hardware when no synchronization pattern is encountered in a frame.
Cleared when reading MP3STA.
CRC Error Flag
Set by hardware when a frame handling CRC is corrupted.
Cleared when reading MP3STA.
Frequency Sampling Bits
Refer to Table 13-4 for bits description.
MPEG Version Bit
Set by the MP3 decoder when the loaded frame is a MPEG I frame.
Cleared by the MP3 decoder when the loaded frame is a MPEG II frame.
Description
Input Stream Data Buffer
8-bit MP3 stream data input buffer.
ERRLAY
MPD5
5
5
ERRSYN
MPD4
4
4
ERRCRC
MPD3
3
3
MPFS1
MPD2
2
2
MPFS0
MPD1
1
1
4341H–MP3–10/07
MPVER
MPD0
0
0