DF2212CUNP24V Renesas Electronics America, DF2212CUNP24V Datasheet - Page 557
![MCU 16BIT FLASH 3V 128K 64-QFN](/photos/28/61/286186/64-vfqfn_sml.jpg)
DF2212CUNP24V
Manufacturer Part Number
DF2212CUNP24V
Description
MCU 16BIT FLASH 3V 128K 64-QFN
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2218UTF24V.pdf
(758 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2212CUNP24V
Manufacturer:
Renesas Electronics America
Quantity:
135
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(4) USB Cable Disconnection (When USB module stop or power-down mode is used)
If the USB cable enters the disconnection state from the connection state in an application (self
powered) where USB module stop or power-down mode is used, perform the operation as
shown in figure 14.6.
Notes:
Disconnect the USB cable
stabilization detection
clock stabilization time
USB operating clock
Start USB operating
1.
2.
interrupt occurs.
clock oscillation
Reset UDC core
USB operating
has passed?
VBUS interrupts in the USB module cannot be detected in power-down mode or in the USB
module stop state. Accordingly, in an application (self powered) where power-down mode or
USB module stop is used , VBUS interrupts of the USB must bedetected via the external
interrupt pin IRQx. In this case, the IRQx pin must be specified as both edge sensitive.
When IRQx is used, VBUS interrupts in the USB module need not to be used.
Before entering power-down mode, make sure to set USB module stop2 (the MSTPB0 bit of
MSTPCRB = 1).
USB function
Yes
(When USB Module Stop or Power-Down Mode Is Used)
Figure 14.6 USB Cable Disconnection
No
*
1
External interrupt IRQx*
EXIRQx
Yes
Clear MSTPB0 in MSTPCRB to 0
Clear CK48READY in UIFR3 to 0
Write MSTPB0 in MSTPCRB to 1
Wait for USB operating clock
Write UDCRST in UCTRL to 1
Check connections by using
Cancel USB module stop 2
Enter power-down mode
the port function of IRQx
Powe-down mode ?
(only if necessary)
enter power-down
cable connection
Enable D+ pull-up
Stop USB module
System needs to
Reset UDC core
by port 36 (P36)
USB module
stabilization
Wait for USB
Yes
Rev.7.00 Dec. 24, 2008 Page 501 of 698
1
Firmware
stopped?
mode?
Yes
No
No
*
*
No
2
2
Check the USB cable
disconnection state
REJ09B0074-0700
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