HD6417727F100C Renesas Electronics America, HD6417727F100C Datasheet - Page 763

• Manufacturer Part Number: HD6417727F100C
• Description: IC SUPERH MPU ROMLESS 240QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417727F100C

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 100MHz
• Connectivity: FIFO, SCI, SIO, SmartCard, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 104
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.6 V ~ 2.05 V
• Data Converters: A/D 6x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 240-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

Section 23 USB Function Controller
23.6.2
Cable Disconnection
USB function
Application
Cable connection state
VBUS pin = 1
Disconnect USB cable
USBF_VBUS pin = 0
(USBIFR/VBUSMN = 0)
Interrupt request
Clear VBUSF flag
USBIFR1/VBUSF = 1
(USBIFR/VBUSF)
USB bus connection interrupt
Reset UDC core
End
Figure 23.3 Cable Disconnection Operation
The above flowchart shows the operation in cable disconnection. When a USB bus connection
interrupt occurs, disconnection can be detected by confirming the status of the USBF_VBUS pin.
Rev.6.00 Mar. 27, 2009 Page 705 of 1036
REJ09B0254-0600