DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 1242
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)
Table 23.21 Packet Reception and Buffer Memory Clearing Processing
(e)
By setting the BFRE bit setting in PIPECFG, it is possible to keep the BRDY interrupt from being
generated when a data packet consisting of the maximum packet size is received.
When using DMA transfers, this function can be used to generate an interrupt only when the last
data item has been received. The last data item refers to the reception of a short packet, or the
ending of the transaction counter. When the BFRE bit is set to 1, the BRDY interrupt is generated
after the received data has been read. When the DTLN bit in DnFIFOCTR is read, the length of
the data received in the last data packet to have been received can be confirmed.
Table 23.22 shows the timing at which the BRDY interrupts are generated by this module.
Rev. 3.00 Sep. 28, 2009 Page 1210 of 1650
REJ09B0313-0300
Buffer Status
When Packet is Received
Buffer full
Zero-length packet reception
Normal short packet reception
Transaction count ended
BRDY Interrupt Timing Selection Function
Register Setting
BFRE = 0
to be cleared
Needs to be
cleared
Doesn't need
to be cleared
Doesn't need
to be cleared
Doesn't need
DCLRM = 0
BFRE = 1
Doesn't need
to be cleared
Needs to be
cleared
Needs to be
cleared
Needs to be
cleared
BFRE = 0
Doesn't need
to be cleared
Doesn't need
to be cleared
Doesn't need
to be cleared
Doesn't need
to be cleared
DCLRM = 1
BFRE = 1
Doesn't need
to be cleared
Doesn't need
to be cleared
Doesn't need
to be cleared
Doesn't need
to be cleared
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