AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 195

• 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

21.2
4341H–MP3–10/07
Registers
Table 21-8.
Reset Value = 1111 1111b
Number
SDA
Bit
5:1
7
7
6
0
Bit Mnemonic
SCL
AUXCON Register
AUXCON (S:90h) – Auxiliary Control Register
6
KIN0
SDA
SCL
Description
TWI Serial Data
SDA is the bidirectional Two Wire data line.
TWI Serial Clock
When TWI controller is in master mode, SCL outputs the serial clock to the slave
peripherals. When TWI controller is in slave mode, SCL receives clock from the master
controller.
Audio DAC Control
Refer to Audio DAC interface section
Keyboard Input Line
5
-
AUDCDOUT
4
AUDCDIN
AT8xC51SND2C/MP3B
3
AUDCCLK
2
AUDCCS
1
KIN0
0
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