R5F61665N50FPV Renesas Electronics America, R5F61665N50FPV Datasheet - Page 1055
R5F61665N50FPV
Manufacturer Part Number
R5F61665N50FPV
Description
MCU FLASH 512K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61665N50FPV.pdf
(1492 pages)
Specifications of R5F61665N50FPV
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
512KB (512K 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
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Part Number:
R5F61665N50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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20.8.3
When the transmit data at EP2 is transferred by the DMAC, the USB function module
automatically performs the same processing as writing 1 to the PKTE bit in TRG if the currently
selected FIFO (64 bytes) becomes full. Accordingly, to transfer data of a multiple of 64 bytes, the
user need not write 1 to the PKTE bit. To transfer data of less than 64 bytes, the user must write 1
to the PKTE bit using the DMA transfer end interrupt of the on-chip DMAC. If the user writes 1
to the PKTE bit when the maximum number of bytes (64 bytes) are transferred, correct operation
cannot be guaranteed.
Figure 20.23 shows an example for transmitting 150 bytes of data to the host. In this case, internal
processing which is the same as writing 1 to the PKTE bit in TRG is automatically performed
twice. This internal processing is performed when the currently selected data FIFO becomes full.
Accordingly, this processing is automatically performed only when 64-byte data is sent.
When the last 22 bytes are sent, the internal processing for writing 1 to the PKTE bit is not
performed, and the user must write 1 to the PKTE bit by software. In this case, the application has
no more data to transfer but the USB function module continues to output DMA requests for EP2
as long as the FIFO has an empty space. When all data has been transferred, write 0 to the
EP2DMAE bit in DMAR to cancel DMA requests for EP2.
DMA Transfer for Endpoint 2
64 bytes
Figure 20.23 PKTE Bit Operation for EP2
PKTE
(Automatically
performed)
64 bytes
PKTE
(Automatically
performed)
Rev. 2.00 Oct. 21, 2009 Page 1021 of 1454
Section 20 USB Function Module (USB)
Execute by DMA transfer
end interrupt (user)
22 bytes
PKTE is
not performed
REJ09B0498-0200
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