DF2218BR24V Renesas Electronics America, DF2218BR24V Datasheet - Page 553

• Manufacturer Part Number: DF2218BR24V
• Description: IC H8S/2218 MCU FLASH 112-LFBGA
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2200r

Specifications of DF2218BR24V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 24MHz
• Connectivity: SCI, SmartCard, USB
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 69
• 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: 112-LFBGA
• For Use With: HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK2218-SS - KIT DEV H8S/2218 WINDOWS SIDESHW3DK2218 - DEV EVAL KIT H8S/2218
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

14.5
14.5.1
The USB must be initialized as described in the flowchart in figure 14.2.
USB operating clock stabilization
Note:
Start USB operationg clock
detection interrupt occurs.
USB interface operation OK
Cancel power-on reset
Communication Operation
Initialization
stabilization time has
*
Set each interrupt
operating clock
Before entering power-down mode, set USB module stop 2 by setting the MSTPB0 bit in MSTPCRB to 1.
oscillation.
passed?
USB function
USB
Yes
No
Figure 14.2 USB Initialization
EXIRQ0
connecting procedure
To USB cable
(Bus powered)
Rev.7.00 Dec. 24, 2008 Page 497 of 698
Firmware
To 14.5.2 (1)
No
(Write to 1 MSTPB0 in MSTPCRB)
Clear CK48READY in UIFR3 to 0
(Clear UIFRST in UCTLR to 0)
(Write 1 to UCKS3 to UCKS0
Cancel USB module stop 1
Cancel USB module stop 2
Cancel USB interface reset
Select USB operating clock
Wait for USB operating
Enter power-down mode
(Clear USBSTP1 in
Wait for USB cable
(Clear MSTPB0 in
USB module stop 2
clock stabilization
EXMDLSTP to 0)
MSTPCRB to 0)
Set each interrupt
enter power-down
System needs to
Self powered?
(If necessary)
Yes
connection
in UCTLR)
Yes
mode?
REJ09B0074-0700
(Self powered)
No
*
*