DF2170BVTE33V Renesas Electronics America, DF2170BVTE33V Datasheet - Page 397

IC H8S/2170 MCU FLASH 100-TQFP

DF2170BVTE33V

Manufacturer Part Number
DF2170BVTE33V
Description
IC H8S/2170 MCU FLASH 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet

Specifications of DF2170BVTE33V

Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
SCI, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
76
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DF2170BVTE33V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
4. Clearing Suspend Signal Output Mask
5. Entering Software Standby Mode
6. Recover Event from Suspend
7. Suspend Recover Interrupt (SUSRI)
8. USB Suspend Interrupt (USBI2)
To prevent access to the USB module by the CPU or DMAC from occurring in the interrupt
processing routine, the USUSOUT bit in USBSUSP is set to 1 after the setting such as to stop
the DMAC is made. Then output of the USSUSP pin goes low and the USCLK input from the
external transceiver is stopped.
After the USCLK input is stopped, do not access the USB module registers by the CPU or
DMAC.
When the USB bus state enters the state other than the USB idle state before software standby
mode is entered, the suspend recover interrupt (SUSRI) is set in order to clear software standby
mode.
To enable the suspend recover interrupt (SUSRI), clear the SUSRIF bit in PFCR3 to 0 and then
set the SUSRIE bit in PFCR3 to 1.
After that, the SLEEP instruction is executed while the SSBY bit in SBYCR is set to 1 in order
to enter software standby mode.
The system clock (φ) is stopped and this LSI enters the power-down state.
If the USB bus state recovers from the suspend state, the suspend recover interrupt (SUSRI) is
requested. By this interrupt request, software standby mode can be cancelled.
If the USB bus state recovers from the suspend state, the USSUSP pin is negated and this LSI
starts oscillation. After the specified oscillation stabilization time is elapsed, the internal
system clock is supplied and the CPU executes the suspend recover interrupt (SUSRI)
processing.
In the interrupt processing routine, clear the SUSRIF bit in PFCR3 to 0 and then clear the
SUSRIE bit in PFCR3 to 0 in order to disable the suspend recover interrupt (SUSRI).
At this time, the USBI2 interrupt is requested. The priority of the SUSRI interrupt must be
higher than that of the USBI2 interrupt.
After recovering from the SUSRI interrupt processing, the pending USBI2 interrupt processing
is executed.
To mask output of the USSUSP pin (fix to 1), clear the USUSOUT bit in USBSUSP to 0 in the
interrupt processing routine.
Then access to the USB registers can be performed by the CPU or DMAC.
Rev. 2.00, 03/04, page 363 of 534

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