DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 1234
DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Section 23 USB 2.0 Host/Function Module (USB)
(f)
Either the continuous transfer mode or the non-continuous transfer mode can be selected, using the
CNTMD bit in DCPCFG and PIPEnCFG. This selection is valid for PIPE0 to PIPE5.
The continuous transfer mode function is a function that sends and receives multiple transactions
in succession. When the continuous transfer mode is set, data can be transferred without interrupts
being issued to the CPU, up to the buffer sizes assigned for each of the pipes.
In the continuous sending mode, the data being written is divided into packets of the maximum
packet size and sent. If the data being sent is less than the buffer size (short packet, or the integer
multiple of the maximum packet size is less than the buffer size), BVAL = 1 must be set after the
data being sent has been written.
In the continuous reception mode, interrupts are not issued during reception of packets up to the
buffer size, until the transaction counter has ended, or a short packet is received.
Figure 23.11 shows an example of buffer memory operation for this module.
Rev. 3.00 Sep. 28, 2009 Page 1202 of 1650
REJ09B0313-0300
Buffer Memory Operation (Continuous Transfer Setting)
When packet is received
When packet is sent
Max Packet Size
Max Packet Size
Unused area
Unused area
CNTMD = 0
CNTMD = 0
Figure 23.11 Example of Buffer Memory Operation
Transmission
Interrupt issued
enabled
When packet is received
When packet is sent
Max Packet Size
Max Packet Size
Max Packet Size
Max Packet Size
CNTMD = 1
CNTMD = 1
Transmission
Interrupt issued
enabled
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