Toshiba TLCS-900/H1 Series Manual page 405

Original cmos 32-bit microcontroller

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Table of Contents

Receive SETUP token

Confirm Token packet

• Transfer mode

Confirm Status

• Confirmation STATUS register (Status)

Confirm DATA PID

Receive data

• Confirm receving data

Transmit ACK

Normal finish transaction

• Set DATASET register

• Assert INT_SETUP and request flag

• According to stage flow, prepare for next stage

• Set STATUS to DATAIN

• Set toggle bit to 1

Except DATA0 PID

Error, more than payload data comunication

Figure 3.16.5 Control Flow in UDC (Setup stage)

Error transaction

• Set STATUS to RX_ERR

• Put back FIFO address point