NEC switch - page 16

User’s Manual U12978EJ3V0UD
16
LIST OF FIGURES (2/4)
Figure No. Title Page
6-7 Interval Timer Operation Timing of 8-Bit Timer/Event Counter 01............................................................86
6-8 Timing of External Event Counter Operation (with Rising Edge Specified).............................................. 87
6-9 Timing of Square-Wave Output................................................................................................................ 89
6-10 Start Timing of 8-Bit Timer Counter ..........................................................................................................90
6-11 Timing of External Event Counter Operation ............................................................................................90
7-1 Block Diagram of Watchdog Timer...........................................................................................................92
7-2 Format of Timer Clock Select Register 2..................................................................................................93
7-3 Format of Watchdog Timer Mode Register...............................................................................................94
8-1 USB Bus Topology (Desktop Type PC)....................................................................................................97
8-2 Block Diagram of USB Function............................................................................................................... 99
8-3 Block Diagram of USB Timer..................................................................................................................100
8-4 Configuration of Receive Token Bank.................................................................................................... 102
8-5 Configuration of Receive Data Bank ......................................................................................................103
8-6 Configuration of Transmit Data Bank 0 (Buffer 0)...................................................................................104
8-7 Configuration of Transmit Data Bank 1 (Buffer 1)...................................................................................105
8-8 Configuration of TIDCMP and ADRCMP................................................................................................ 107
8-9 Configuration of DIDCMP....................................................................................................................... 108
8-10 Format of USB Receiver Enable Register ..............................................................................................109
8-11 Format of Data/Handshake Packet Receive Mode Register ..................................................................110
8-12 Format of Packet Receive Status Register............................................................................................. 112
8-13 Format of Data/Handshake Packet Receive Result Store Register .......................................................113
8-14 Format of Token Packet Receive Result Store Register ........................................................................114
8-15 Format of Data Packet Transmit Reservation Register ..........................................................................115
8-16 Format of Handshake Packet Transmit Reservation Register................................................................ 116
8-17 Configuration of Handshake Packet Transmit Reservation Register...................................................... 119
8-18 Format of USB Timer Start Reservation Control Register ......................................................................120
8-19 Format of Remote Wakeup Control Register.......................................................................................... 121
8-20 Flowchart of USB Timer Operation......................................................................................................... 123
8-21 Flow Chart of Remote Wakeup Control Operation .................................................................................125
8-22 Configuration of Remote Wakeup Control ..............................................................................................126
8-23 Timing of Data/Handshake Packet Receive Interrupt Request Generation............................................ 127
8-24 Timing of INTUSBRE Generation ...........................................................................................................128
8-25 Flowchart of Transmit/Receive Pointer Operation ..................................................................................140
8-26 Flowchart of Receive Bank Switching ID Detection Buffer Operation ....................................................147
8-27 Timing of Sync Detection/USBCLK Detector Operation .........................................................................148
8-28 Timing of Sync Detection/USBCLK Generation Operation..................................................................... 148
8-29 Flowchart of Sync Detection/USBCLK Detector Operation ....................................................................149
8-30 Timing of NRZI Encoder Operation ........................................................................................................150