DF2378RVFQ34WV Renesas Electronics America, DF2378RVFQ34WV Datasheet - Page 418
DF2378RVFQ34WV
Manufacturer Part Number
DF2378RVFQ34WV
Description
MCU 3V 512K I-TEMP PB-FREE 144-L
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2378RVFQ34WV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
34MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
97
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 6x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
For Use With
YLCDRSK2378 - KIT DEV EVAL H8S/2378 LCDYR0K42378FC000BA - KIT EVAL FOR H8S/2378HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK2378 - DEV EVAL KIT FOR H8S/2378
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 418 of 1208
- Download datasheet (8Mb)
Section 7 DMA Controller (DMAC)
7.5.14
When an NMI interrupt is requested, burst mode transfer in full address mode is interrupted. An
NMI interrupt does not affect the operation of the DMAC in other modes.
In full address mode, transfer is enabled for a channel when both the DTE bit and DTME bit are
set to 1. With burst mode setting, the DTME bit is cleared when an NMI interrupt is requested.
If the DTME bit is cleared during burst mode transfer, the DMAC discontinues transfer on
completion of the 1-byte or 1-word transfer in progress, then releases the bus, which passes to the
CPU.
The channel on which transfer was interrupted can be restarted by setting the DTME bit to 1 again.
Figure 7.35 shows the procedure for continuing transfer when it has been interrupted by an NMI
interrupt on a channel designated for burst mode transfer.
Rev.7.00 Mar. 18, 2009 page 350 of 1136
REJ09B0109-0700
Figure 7.35 Example of Procedure for Continuing Transfer on Channel Interrupted by
transfer on interrupted
DMAC and NMI Interrupts
Transfer continues
Set DTME bit to 1
Resumption of
DTME = 0
DTE = 1
channel
Yes
No
[1]
[2]
NMI Interrupt
Transfer ends
[1]
[2]
Check that DTE = 1 and
DTME = 0 in DMABCRL.
Write 1 to the DTME bit.
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