DF2370RVFQ34V Renesas Electronics America, DF2370RVFQ34V Datasheet - Page 448
![IC H8S/2370 MCUFLSH 256K 144LQFP](/photos/12/41/124197/df2370rvfq34v_sml.jpg)
DF2370RVFQ34V
Manufacturer Part Number
DF2370RVFQ34V
Description
IC H8S/2370 MCUFLSH 256K 144LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of DF2370RVFQ34V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
34MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 6x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°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)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2370RVFQ34V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 448 of 1208
- Download datasheet (8Mb)
Section 8 EXDMA Controller (EXDMAC)
takes back the bus, performs another transfer-unit transfer, and then releases the bus again. This
procedure is repeated until the transfer end condition is satisfied.
If a transfer request occurs in another channel during DMA transfer, the bus is temporarily
released, then transfer is performed on the channel for which the transfer request was issued. If
there is no external space bus request from another bus master, a one-cycle bus release interval is
inserted. For details on the operation when there are requests for a number of channels, see section
8.4.8, Channel Priority Order.
Figure 8.5 shows an example of the timing in cycle steal mode.
Burst Mode: In burst mode, once the EXDMAC acquires the bus it continues transferring data,
without releasing the bus, until the transfer end condition is satisfied. There is no burst mode in
external request mode.
In burst mode, once transfer is started it is not interrupted even if there is a transfer request from
another channel with higher priority. When the burst mode channel finishes its transfer, it releases
the bus in the next cycle in the same way as in cycle steal mode.
When the EDA bit is cleared to 0 in EDMDR, DMA transfer is halted. However, DMA transfer is
executed for all transfer requests generated within the EXDMAC up until the EDA bit was cleared
to 0.
If a repeat area overflow interrupt is generated, the EDA bit is cleared to 0 and transfer is
terminated.
Rev.7.00 Mar. 18, 2009 page 380 of 1136
REJ09B0109-0700
EDREQ
EDRAK
Bus cycle
Transfer conditions:
· Single address mode, normal transfer mode
· EDREQ low level sensing
· CPU internal bus master is operating in external space
Figure 8.5 Example of Timing in Cycle Steal Mode
CPU
CPU
EXDMAC
Bus returned temporarily to CPU
CPU
CPU
EXDMAC
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