NEC Renesas mPD720210, Руководство пользователя по оборудованию

Страница: 7 / 73

4.3.4 Configuration Descriptor ........................................................................................................ 30
4.3.5 Interface Descriptor (combined with Configuration Descriptor) ............................................. 30
4.3.6 Endpoint Descriptor (combined with Configuration Descriptor) ............................................. 30
4.3.7 Other Speed Configuration Descriptor .................................................................................. 31
4.3.8 Interface Descriptor (combined with Other Speed Configuration Descriptor) ........................ 31
4.3.9 Endpoint Descriptor (combined with Other Speed Configuration Descriptor) ........................ 31
5. Pin Strapping .................................................................................................................................... 32
5.1 Pin Strapping Settings .......................................................................................................... 32
5.1.1 External SPI ROM ................................................................................................................. 32
5.1.2 LED function .......................................................................................................................... 33
5.1.3 Number of ports ..................................................................................................................... 33
5.1.4 Non-Removable Ports ........................................................................................................... 34
5.1.5 Gang / Individual Port Power Control .................................................................................... 34
5.1.6 Battery Charging mode ......................................................................................................... 35
5.1.7 GIO function .......................................................................................................................... 36
5.1.8 Address length of External ROM ........................................................................................... 36
5.1.9 PPON1B Output function ...................................................................................................... 37
6. Functions Description ...................................................................................................................... 38
6.1 Battery Charging ................................................................................................................... 38
6.1.1 Battery Charging Mode ......................................................................................................... 39
6.1.2 HW configuration requirement ............................................................................................... 41
6.1.3 Downstream port VBUS control ............................................................................................. 41
6.2 Remote Wake Up function .................................................................................................... 42
6.2.1 Remote Wake Up function .................................................................................................... 42
6.3 Clock Output Function .......................................................................................................... 43
6.3.1 Clock Output Usage .............................................................................................................. 43
6.3.2 Clock Output Function Settings ............................................................................................. 44
6.3.3 Clock Output Function Control .............................................................................................. 45
7. Peripheral Component Connection ................................................................................................ 46
7.1 Unused Pin Connection ........................................................................................................ 46
7.2 USB Upstream Port Connection .......................................................................................... 47
7.3 USB Downstream Port Connection ..................................................................................... 48
7.4 VBUS Power Switching Connection .................................................................................... 49
7.4.1 USB Power Switch ................................................................................................................ 49
7.4.2 Current Limiter ....................................................................................................................... 50
7.5 Crystal Connection................................................................................................................ 51
7.6 RESET Connection ................................................................................................................ 52
7.7 RREF Connection .................................................................................................................. 53
7.8 Internal LDO (5V

3.3V) Connection (in use) ................................................................... 54
7.9 Internal LDO (5 V

3.3 V) Connection (out of use) .......................................................... 55
7.10 Internal Switching Regulator (5 V  1.05 V) Connection (in use) .................................... 56
7.11 Internal Switching Regulator (5 V

1.05 V) Connection (out of use) ............................. 57
7.12 External Serial ROM Connection ......................................................................................... 58
7.13 LED Control Connection ....................................................................................................... 59