DF2212CUNP24V Renesas Electronics America, DF2212CUNP24V Datasheet - Page 554

• Manufacturer Part Number: DF2212CUNP24V
• Description: MCU 16BIT FLASH 3V 128K 64-QFN
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2200r

Specifications of DF2212CUNP24V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 24MHz
• Connectivity: SCI, SmartCard, USB
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 6x10b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

14.5.2
(1) USB Cable Connection (When USB module stop or power-down mode is not used)
Rev.7.00 Dec. 24, 2008 Page 498 of 698
REJ09B0074-0700
If the USB cable enters the connection state from the disconnection state in an application (self
powered) where USB module stop or power-down mode is not used, perform the operation as
shown in figure 14.3. In bus-powered mode, perform the operation according to note 2 in
figure 14.3.
from 14.5.1
Notes: 1. VBUS interrupts in the USB module cannot be detected in power-down mode or
USB Cable Connection/Disconnection
Receive bus reset from the host
2. In bus-powered mode, power is applied after the USB cable has been connected.
Set USB module operation
powered mode initialization
Bus reset interrupt occurs.
A VBUS interrupt occurs
After completing the bus-
in the USB module stop state.
Accordingly, immediately after completing the power-on reset, initialization (14.5.1), clearing all FIFOs,
and system preparation, enable the D+ pull-up by the port 36 (P36) and cancel the UDC core reset state.
Connect the USB cable
(When USB Module Stop or Power-Down Mode Is not Used)
USB function
Figure 14.3 USB Cable Connection
*
*
1
2
EXIRQx
EXIRQx
(Clear UDCRST in UCTLR to 0)
Wait for a setup interrupt
Cancel UDC core reset
Check if VBUSs in UIFR3
Initialize the firmware
Clear VBUSi in UIFR3
Enable D+ pull-up
System ready?
Clear all FIFOs
by port 36 (P36)
Firmware
Yes
is set to 1
No
Check the USB cable
connection state