AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 41

• 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

9.3
4341H–MP3–10/07
Registers
Table 9-4.
Reset Value = 0000 0000b
Bit Number
EA
7
7
6
5
4
3
2
1
0
Mnemonic
IEN0 Register
IEN0 (S:A8h) – Interrupt Enable Register 0
EAUD
EAUD
EMP3
ET1
EX1
ET0
EX0
Bit
EA
ES
6
Description
Enable All Interrupt Bit
Set to enable all interrupts.
Clear to disable all interrupts.
If EA = 1, each interrupt source is individually enabled or disabled by setting or clearing
its interrupt enable bit.
Set to enable audio interface interrupt.
Clear to disable audio interface interrupt.
MP3 Decoder Interrupt Enable Bit
Set to enable MP3 decoder interrupt.
Clear to disable MP3 decoder interrupt.
Serial Port Interrupt Enable Bit
Set to enable serial port interrupt.
Clear to disable serial port interrupt.
Timer 1 Overflow Interrupt Enable Bit
Set to enable timer 1 overflow interrupt.
Clear to disable timer 1 overflow interrupt.
External Interrupt 1 Enable bit
Set to enable external interrupt 1.
Clear to disable external interrupt 1.
Timer 0 Overflow Interrupt Enable Bit
Set to enable timer 0 overflow interrupt.
Clear to disable timer 0 overflow interrupt.
External Interrupt 0 Enable Bit
Set to enable external interrupt 0.
Clear to disable external interrupt 0.
Audio Interface Interrupt Enable Bit
EMP3
5
ES
4
ET1
AT8xC51SND2C/MP3B
3
EX1
2
ET0
1
EX0
0
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