Nec switch Uživatelský manuál Strana 117
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- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
CHAPTER 8 USB FUNCTION
User’s Manual U12978EJ3V0UD
117
Figure 8-16. Format of Handshake Packet Transmit Reservation Register (2/2)
ACKEN ACK packet transmit reservation flag after data packet reception
0
1
No data is transmitted.
ACK handshake is transmitted when all the following conditions are satisfied in EOP during data packet reception.
DIDRST = 1, DBYER = 0, DBITER = 0, CR16ER = 0
E0NAEN NAK packet transmit reservation flag for Endpoint 0 after IN packet
0
1
No data is transmitted.
NAK handshake is transmitted when all the following conditions are satisfied in EOP during IN packet reception.
INRX (internal signal) = 1, TIDRST = 1, ADRRST = 1, END0RX = 0, TBYER = 0, TBITER = 0, CRC5ER = 0
DNAEN NAK packet transmit reservation flag after data packet reception
0
1
No data is transmitted.
If all the following conditions are met, NAK handshake is transmitted in EOP during data packet reception.
Set this flag when saving data from reception data addresses (USBR0 to USBR7).
OUTRX (internal signal) = 1, DIDRST = 1, DBYER = 0, DBITER = 0, CR16ER = 0, UWDERR = 0
E1NAEN NAK packet transmit reservation flag for Endpoint 1 after IN packet
0
1
No data is transmitted.
NAK handshake is transmitted when all the following conditions are satisfied in EOP during IN packet reception.
INRX (internal signal) = 1, ADRRST = 1, END1RX = 1, TBYER = 0, TBITER = 0, CRC5ER = 0
During transmit reservation, all the conditions listed in Table 8-3 below must be satisfied.
Table 8-3. Conditions in Transmit Reservation (1/2)
(a) Transmit reservation for Endpoint 0 and IN token packet
Type of Reservation DT00EN DT10EN E0STEN E0NAEN
Transmit reservation of data in transmit buffer 0 1 0 0 0
Transmit reservation of data in transmit buffer 1 0 1 0 0
Endpoint 0 STALL transmit reservation
(occurrence of length error, or halt status)
0010
Endpoint 0 NAK transmit reservation
(data creation incomplete)
0001
Two or more reservations above Setting prohibited
- PD789800 Subseries 1
- NOTES FOR CMOS DEVICES 3
- Regional Information 5
- INTRODUCTION 7
- Other Related Documents 9
- User’s Manual U12978EJ3V0UD 10
- LIST OF FIGURES (1/4) 15
- LIST OF FIGURES (2/4) 16
- LIST OF FIGURES (3/4) 17
- LIST OF FIGURES (4/4) 18
- LIST OF TABLES (1/2) 19
- LIST OF TABLES (2/2) 20
- CHAPTER 1 GENERAL 21
- 1.1 Features 21
- 1.2 Applications 21
- 1.3 Ordering Information 21
- 1.5 78K/0S Series Lineup 23
- MIN.Value 24
- Series for ASSP 25
- 1.6 Block Diagram 26
- 1.7 Functions 27
- CHAPTER 2 PIN FUNCTIONS 28
- 2.1 List of Pin Functions 28
- (2) Non-port pins 29
- Figure 2-1. Pin I/O Circuits 34
- 3.1 Memory Space 35
- Figure 3-2. Memory Map ( 36
- PD78F9801) 36
- Z 0 AC 0 0 1 CY 40
- Identifier Description 51
- Instruction code 00001010 54
- 00100101 54
- Register specification code 54
- — [DE], [HL] 55
- Instruction code 00101011 55
- — [HL+byte] 56
- CHAPTER 4 PORT FUNCTIONS 57
- 4.1 Port Functions 57
- 4.2 Port Configuration 59
- 5.4 System Clock Oscillators 75
- (n = 0, 1, 2, 4) 76
- 5.5 Clock Generator Operation 77
- TCL011TCL010 83
- Count pulse 90
- TM00, TM01 count value 90
- Timer starts 90
- 00H 01H 02H 03H 04H 90
- CHAPTER 7 WATCHDOG TIMER 91
- 7.1 Watchdog Timer Functions 91
- 7.4 Watchdog Timer Operation 95
- 8.1 USB Overview 97
- 8.2 USB Function Features 98
- CHAPTER 8 USB FUNCTION 100
- USBPOW address 102
- Sync detection 149
- Item Configuration 155
- INTCSI10 156
- CHAPTER 10 REGULATOR 162
- 11.1 Interrupt Function Types 163
- Internal bus 165
- Interrupt request 165
- Vector table 165
- Standby release signal 165
- Selector 170
- WDT: Watchdog timer 172
- Minimum Time Maximum Time 173
- 8 clocks 19 clocks 173
- STOP mode release 179
- X1 pin voltage 179
- Oscillation 182
- CHAPTER 14 190
- PD78F9801 190
- Pull-down resistor (RV 195
- 15.1 Operation 200
- 15.2 Operation List 202
- (1) 8-bit instructions 207
- POP, DBNZ 207
- Note Except r = A 207
- (2) 16-bit instructions 208
- SET1, CLR1, NOT1, BT, BF 208
- (5) Other instructions 209
- Clock timing 216
- TI Timing 216
- Interrupt Input Timing 216
- RESET Input Timing 216
- USBDM, USBDP 217
- 44 PIN PLASTIC LQFP (10x10) 219
- A.1 Software Package 223
- A.3 Control Software 224
- S××××ID78K0S-NS 226
- S××××SM78K0S 226
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