AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 96

• Manufacturer Part Number: AT89C51SND1C-ROTUL
• Description: IC 8051 MCU FLASH 64K MP3 80TQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND1C-ROTUL

• 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: 44
• 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
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Figure 15-14. Example of REMOTE WAKEUP Management
15.9
15.9.1
96
USB Interrupt System
AT8xC51SND1C
Interrupt System Priorities
D+
D-
SET_FEATURE: DEVICE_REMOTE_WAKEUP
Detection of a SUSPEND state
upstream RESUME sent
Controller
Figure 15-15. 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
00
01
10
11
need USB resume
Lowest Priority Interrupts
4109L–8051–02/08