AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 92

• 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

15.1.10
92
AT8xC51SND2C/MP3B
Register
Table 15-11. AUXCON Register
Reset Value = 1111 1111b
Table 15-12. Dac Control Register Register - DAC_CTRL (00h)
ONPADRV
Number
Number
SDA
Bit
7
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
7
Bit Mnemonic
AUDCDOUT
AUDCCLK
ONAUXIN
AUDCDIN
ONPADRV
ONAUXIN
SCL
AUDCCS
ONDACR
ONLNOR
AUXCON (S:90h) – Auxiliary Control Register
Mnemonic
ONDACL
ONLNOL
ONLNIR
6
KIN0
SDA
SCL
6
-
Bit
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.
Not used.
Audio Dac SPI Data Output.
Audio Dac SPI Data Input
Audio Dac SPI clock
Audio Dac Chip select
Set to deselect DAC
Clear to select DAC
Keyboard Input Interrupt.
ONDACR
Description
5
-
5
AUDCDOUT
ONDACL
4
4
Differential mono auxiliary input amplifier
Clear to power down. Set to power up.
Clear to power down. Set to power up.
Clear to power down. Set to power up.
Clear to power down. Set to power up.
Clear to power down. Set to power up.
Clear to power down. Set to power up.
Clear to power down. Set to power up.
Right channel line in amplifier
Right channel line out driver
Differential mono PA driver
ONLNOR
Left channel line out driver
AUDCDIN
Right channel DAC
3
Left channel DAC
3
AUDCCLK
ONLNOL
2
2
AUDCCS
ONLNIR
1
1
4341H–MP3–10/07
ONLNIL
KIN0
0
0