AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 119

• 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

Figure 16-14. Example of REMOTE WAKEUP Management
16.11 USB Interrupt System
16.11.1
4341H–MP3–10/07
Interrupt System Priorities
D+
D-
SET_FEATURE: DEVICE_REMOTE_WAKEUP
Detection of a SUSPEND state
upstream RESUME sent
Controller
Figure 16-15. USB Interrupt Control System
USB
UPRSM = 1
EUSB
IE1.6
Interrupt Enable
SPINT
UPRSM
Suspend Management
IE0.7
USB Controller Init
EA
Clear SDRMWUP
Set SDMWUP
Set RMWUPE
enable clocks
Clear SPINT
Priority Enable
IPH/L
AT8xC51SND2C/MP3B
00
01
10
11
need USB resume
Lowest Priority Interrupts
119