R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 1234

• Manufacturer Part Number: R0K572030S000BE
• Description: KIT DEV FOR SH7203
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572030S000BE

• Contents: CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
• Silicon Manufacturer: Renesas
• Kit Contents: Board
• Silicon Family Name: SH7203
• Silicon Core Number: R5S72030W200FP
• Tool / Board Applications: General Purpose MCU, MPU, DSP, DSC
• Mcu Supported Families: SH7203
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: SH7203
• Lead Free Status / Rohs Status: Compliant

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.
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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