DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 1245
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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23.4.5
Data transfers of the data stage of control transfers are done using the default control pipe (DCP).
The DCP buffer memory is a 256-byte single buffer, and is a fixed area that is shared for both
control reading and control writing. The buffer memory can be accessed through the CFIFO port.
(1)
(a)
USQREQ, USBVAL, USBINDX, and USBLENG are the registers that are used to transmit a USB
request for setup transactions. Writing setup packet data to the registers and writing 1 to the
SUREQ bit in DCPCTR transmits the specified data for setup transactions. Upon completion of
transactions, the SUREQ bit is cleared to 0. The above USB request registers should not be
modified while SUREQ = 1. The device address for setup transactions is specified using the
DEVSEL bits in DCPMAXP.
When the data for setup transactions has been sent, a SIGN or SACK interrupt request is generated
according to the response received from the peripheral side (SIGN1 or SACK bits in INTSTS1),
by means of which the result of the setup transactions can be confirmed.
A data packet of DATA0 (USB request) is transmitted as the data packet for the setup transactions
regardless of the setting of the SQMON bit in DCPCTR.
(b)
Data transfers are done using the DCP buffer memory.
The access direction of the DCP buffer memory should be specified using the ISEL bit in
CFIFOSEL.
For the first data packet of the data stage, the data PID must be transferred as DATA1. Transaction
is done by setting the data PID = DATA1 and the PID bit = BUF using the SQSET bit in
DCPCFG. Completion of data transfer is detected using the BRDY and BEMP interrupts.
Setting continuous transfer mode allows data transfers over multiple packets. Note that when
continuous transfer mode is set for the receiving direction, the BRDY interrupt is not generated
until the buffer becomes full or a short packet is received (the integer multiple of the maximum
packet size, and less than 256 bytes).
For control write transfers, when the number of data bytes to be sent is the integer multiple of the
maximum packet size, software must control so as to send a zero-length packet at the end.
Control Transfers when the Host Controller Function is Selected
Setup Stage
Data Stage
Control Transfers (DCP)
Section 23 USB 2.0 Host/Function Module (USB)
Rev. 3.00 Sep. 28, 2009 Page 1213 of 1650
REJ09B0313-0300
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