BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 595

• Manufacturer Part Number: BMSKTOPASA900(DCE)
• Description: KIT STARTER TMPA900 USB JTAG
• Manufacturer: Toshiba
• Series: TOPASr
• Type: MCUr

Specifications of BMSKTOPASA900(DCE)

• Contents: Evaluation Board, Cable(s), Software and Documentation
• For Use With/related Products: TMPA900CMXBG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data flow on USB
cable
3.16.3.5 Flow of Control in Transfers of Endpoints
Register access
EP0_DATASET
INT_STATUS
• Endpoint 0
INT_SETUP
INT_EP0
UDC2
(1) Control-RD transfer
Host
device control operations. Please note that Endpoint 0 can be used in the single packet
mode only.
transfer are described below.
EP0_MaxPacketSize register is set to “EP0_DATASET flag”.
Endpoint 0 supports Control transfers and used to make enumeration and other
Control transfers consist of the following three stages:
SETUP-Stage
The types of transfer are categorized into the following major types:
UDC2 makes control of those three stages by hardware. Flows in each type of
The following description is based on the assumption that the bit 12 (dset) of
The flow of control in Control-RD transfers is shown below.
• Control-RD transfer
• Control-WR transfer (without DATA-Stage)
• Control-WR transfer (with DATA-Stage)
SETUP
SETUP-Stage
Figure 3.16.19
INT-Reg.
(8 bytes)
DATA0
Read
ACK
INT-Reg.
Write
Register Read (8 bytes)
Setup-Data storage
IN
NAK
TENTATIVE
Issue Setup_Received
Flow of control in Control-RD transfer
TMPA900CM- 594
DATA-Stage
Command
IN
(MaxPacketSize byte)
NAK
EP0_FIFO Write
IN
DATA-Stage（IN）
INT-Reg.
Read
(Transmission
DATA1
data)
INT-Reg.
Write
ACK
EP0_FIFO Write
STATUS-Stage
(Last Data)
Issue Setup_Fin
IN
Command
(Transmission
DATA0/1
data)
INT-Reg.
Read
ACK
INT-Reg.
Write
OUT
STATUS-Stage
TMPA900CM
DATA1
(0 byte)
2009-10-14
INT-Reg.
Read
ACK
INT-Reg.
Write