D12674RVFQ33D Renesas Electronics America, D12674RVFQ33D Datasheet - Page 427
![MCU 3V 0K I-TEMP 144-QFP](/photos/28/61/286116/144-lqfp__plqp0144kc-a_sml.jpg)
D12674RVFQ33D
Manufacturer Part Number
D12674RVFQ33D
Description
MCU 3V 0K I-TEMP 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Datasheet
1.D12674RVFQ33V.pdf
(981 pages)
Specifications of D12674RVFQ33D
Core Processor
H8S/2600
Core Size
16-Bit
Speed
33MHz
Connectivity
IrDA, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
103
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
HD6412674RVFQ33D
HD6412674RVFQ33D
HD6412674RVFQ33D
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12674RVFQ33DV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 427 of 981
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Figure 8.21 Example of Block Transfer Mode Transfer Activated by EDREQ
EDREQ pin sampling is performed in each cycle starting at the next rise of 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. At the end of the write cycle, acceptance resumes 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 is started.
[4], [7] Acceptance is resumed after completion of dead cycle.
EDREQ
Address bus
DMA control
Channel
Acceptance after transfer enabling; EDREQ pin low level is sampled at rise of , and request is held.
(As in [1], EDREQ pin low level is sampled at rise of , and request is held.)
Idle
[1]
Minimum 3 cycles
Request
Bus release
[2]
Read
Request clearance period
[3]
Transfer source
DMA read
One block transfer
Write
DMA write
destination
Transfer
Idle
Acceptance
resumed
[4]
Minimum 3 cycles
Request
Bus release
Rev. 3.00 Mar 17, 2006 page 375 of 926
[5]
Read
Request clearance period
[6]
Transfer source
DMA read
Section 8 EXDMA Controller
One block transfer
Write
EDREQ Pin Low Level
EDREQ
EDREQ
DMA write
destination
Transfer
REJ09B0283-0300
Idle
Acceptance
resumed
[7]
Bus release
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