DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 745
![IC H8SX/1654 MCU FLASH 120TQFP](/photos/12/21/122199/df61654n50ftv_sml.jpg)
DF61654N50FTV
Manufacturer Part Number
DF61654N50FTV
Description
IC H8SX/1654 MCU FLASH 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.DF61653N50FTV.pdf
(1020 pages)
Specifications of DF61654N50FTV
Core Processor
H8SX
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, PWM, WDT
Number Of I /o
75
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
120-TQFP, 120-VQFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF61654N50FTV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 745 of 1020
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15.8
15.8.1
DMA transfer can be performed for endpoints 1 and 2 in this module. Note that word or longword
data cannot be transferred.
When endpoint 1 holds at least one byte of valid receive data, a DMA request for endpoint 1 is
generated. When endpoint 2 holds no valid data, a DMA request for endpoint 2 is generated.
If the DMA transfer is enabled by setting the EP1DMAE bit in the DMA transfer setting register
to 1, zero-length data reception at endpoint 1 is ignored. When the DMA transfer is enabled, the
RDFN bit for EP1 and PKTE bit for EP2 do not need to be set to 1 in TRG (note that the PKTE bit
must be set to 1 when the transfer data is less than the maximum number of bytes). When all the
data received at EP1 is read, the FIFO automatically enters the EMPTY state. When the maximum
number of bytes (64 bytes) are written to the EP2 FIFO, the FIFO automatically enters the FULL
state, and the data in the FIFO can be transmitted (see figures 15.20 and 15.21).
15.8.2
When the data received at EP1 is transferred by the DMAC, the USB function module
automatically performs the same processing as writing 1 to the RDFN bit in TRG if the currently
selected FIFO becomes empty. Accordingly, in DMA transfer, do not write 1 to the RDFN bit in
TRG. If the user writes 1 to the RDFN bit in DMA transfer, correct operation cannot be
guaranteed.
Figure 15.20 shows an example of receiving 150 bytes of data from the host. In this case, internal
processing which is the same as writing 1 to the RDFN bit in TRG is automatically performed
three times. This internal processing is performed when the currently selected data FIFO becomes
empty. Accordingly, this processing is automatically performed both when 64-byte data is sent
and when data less than 64 bytes is sent.
DMA Transfer
Overview
DMA Transfer for Endpoint 1
64 bytes
Figure 15.20 RDFN Bit Operation for EP1
RDFN
(Automatically
performed)
64 bytes
RDFN
(Automatically
performed)
Rev.1.00 Sep. 08, 2005 Page 695 of 966
Section 15 USB Function Module (USB)
22 bytes
RDFN
(Automatically
performed)
REJ09B0219-0100
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