R5F61663RN50FPV Renesas Electronics America, R5F61663RN50FPV Datasheet - Page 547
R5F61663RN50FPV
Manufacturer Part Number
R5F61663RN50FPV
Description
MCU FLASH 384K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Specifications of R5F61663RN50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61663RN50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Figure 11.32 shows an example of block transfer mode transfer activated by the EDREQ pin low
level.
EDREQ pin sampling is performed in each cycle starting at the next rise of Bφ after the end of the
DTE bit write cycle.
When a low level is sampled at the EDREQ pin while acceptance of a transfer request 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. After 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.
Bφ
EDREQ
Address bus
EXDMA
control
Channel
[1] Acceptance after transfer enabling; EDREQ pin low level is sampled at rise of Bφ, and request is held.
[2], [5] Request is cleared at end of next bus cycle, and activation is started in EXDMAC.
[3], [6] EXDMA cycle starts.
[4], [7] Acceptance is resumed after completion of write cycle.
(As in [1], EDREQ pin low level is sampled at rise of Bφ, and request is held.)
Figure 11.32 Example of Block Transfer Mode Transfer Activated
[1]
Request
Minimum 3 cycles
Idle
Bus release
[2]
Request clearance period
Read
[3]
EXDMA read EXDMA write
Transfer
source
by EDREQ Pin Low Level
One block transfer
Write
destination
Transfer
Acceptance resumed
[4]
Request
Idle
Minimum 3 cycles
Bus release
[5]
Rev. 2.00 Sep. 24, 2008 Page 513 of 1468
Section 11 EXDMA Controller (EXDMAC)
Read
[6]
Request clearance period
EXDMA read EXDMA write
Transfer
source
One block transfer
Write
destination
Transfer
Acceptance resumed
Idle
REJ09B0412-0200
[7]
Bus release
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