AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 80

• 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

80
AT8xC51SND2C/MP3B
Table 14-6.
Reset Value = 1111 1111b
Table 14-7.
Reset Value = 0000 0000b
Bit Number
Bit Number
AUD7
7 - 0
7 - 5
4 - 0
7
7
-
Mnemonic
Mnemonic
AUCD4:0
AUDDAT Register
AUDDAT (S:9Dh) – Audio Interface Data Register
AUDCLK Register
AUDCLK (S:ECh) – Audio Clock Divider Register
AUD7:0
AUD6
Bit
Bit
6
6
-
-
Description
Audio Data
8-bit sampling data for voice or sound playing.
Description
Reserved
The value read from these bits is always 0. Do not set these bits.
Audio Clock Divider
5-bit divider for audio clock generation.
AUD5
5
5
-
AUCD4
AUD4
4
4
AUCD3
AUD3
3
3
AUCD2
AUD2
2
2
AUCD1
AUD1
1
1
4341H–MP3–10/07
AUCD0
AUD0
0
0