DF2370RVFQ34V Renesas Electronics America, DF2370RVFQ34V Datasheet - Page 471
![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: 471 of 1208
- Download datasheet (8Mb)
EDREQ Pin Falling Edge Activation Timing: Figure 8.26 shows an example of single address
mode transfer activated by the EDREQ pin falling edge.
EDREQ pin sampling is performed in each cycle starting at the next rise of φ after the end of the
EDMDR write cycle for setting the transfer-enabled state.
When a low level is sampled at the EDREQ pin while acceptance via the EDREQ pin is possible,
the request is held within the EXDMAC. Then when activation is initiated within the EXDMAC,
the request is cleared, and EDREQ pin high level sampling for edge sensing is started. If EDREQ
pin high level sampling is completed by the end of the DMA single cycle, acceptance resumes
after the end of the single cycle, and EDREQ pin low level sampling is performed again; this
sequence of operations is repeated until the end of the transfer.
[1]
[2], [5] Request is cleared at end of next bus cycle, and activation is started in EXDMAC.
[3], [6] DMA cycle start; EDREQ pin high level sampling is started at rise of φ.
[4], [7] When EDREQ pin high level has been sampled, acceptance is resumed after completion of single cycle.
Figure 8.26 Example of Single Address Mode Transfer Activated by EDREQ Pin Falling
Acceptance after transfer enabling; EDREQ pin low level is sampled at rise of φ, and request is held.
(As in [1], EDREQ pin low level is sampled at rise of φ, and request is held.)
φ
EDREQ
Address bus
EDACK
DMA control
Channel
Idle
[1]
Minimum 3 cycles
Request
Bus release
[2]
clearance period
Single
[3]
Request
DMA single
Transfer source/
destination
Edge
Idle
Acceptance
resumed
[4]
Minimum 3 cycles
Request
Bus release
Rev.7.00 Mar. 18, 2009 page 403 of 1136
Section 8 EXDMA Controller (EXDMAC)
[5]
clearance period
Single
[6]
Request
Transfer source/
DMA single Bus release
destination
Idle
Acceptance
resumed
[7]
REJ09B0109-0700
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