EZ-USB Datasheet, PDF (6/334 Pages) Cypress Semiconductor – The EZ-USB USB Integrated Circuit

4.7.2 ID1, ID0 ................................................................................. 4-10
4.8 Sending I2C Data .................................................................................. 4-10
4.9 Receiving I2C Data ............................................................................... 4-11
4.10 I2C Boot Loader ................................................................................... 4-12
5 EZ-USB Enumeration and ReNumeration ..................................5-1
5.1 Introduction ............................................................................................. 5-1
5.2 The Default USB Device ........................................................................ 5-2
5.3 EZ-USB Core Response to EP0 Device Requests .................................. 5-4
5.4 Firmware Load ........................................................................................ 5-5
5.5 Enumeration Modes ................................................................................ 5-7
5.6 No Serial EEPROM ................................................................................ 5-8
5.7 Serial EEPROM Present, First Byte is 0xB0 .......................................... 5-9
5.8 Serial EEPROM Present, First Byte is 0xB2 ........................................ 5-10
5.9 ReNumeration‘ ...................................................................................... 5-11
5.10 Multiple ReNumerations‘ ..................................................................... 5-13
5.11 Default Descriptor ................................................................................. 5-13
6 EZ-USB Bulk Transfers .................................................................6-1
6.1 Introduction ............................................................................................. 6-1
6.2 Bulk IN Transfers ................................................................................... 6-4
6.3 Interrupt Transfers .................................................................................. 6-5
6.4 EZ-USB Bulk IN Example ..................................................................... 6-5
6.5 Bulk OUT Transfers ............................................................................... 6-6
6.6 Endpoint Pairing ..................................................................................... 6-8
6.7 Paired IN Endpoint Status ....................................................................... 6-9
6.8 Paired OUT Endpoint Status ................................................................. 6-10
6.9 Using Bulk Buffer Memory .................................................................. 6-10
6.10 Data Toggle Control ............................................................................. 6-11
6.11 Polled Bulk Transfer Example .............................................................. 6-13
6.12 Enumeration Note ................................................................................. 6-14
6.13 Bulk Endpoint Interrupts ...................................................................... 6-15
6.14 Interrupt Bulk Transfer Example .......................................................... 6-16
6.15 Enumeration Note ................................................................................. 6-21
6.16 The Autopointer .................................................................................... 6-22
7 EZ-USB Endpoint Zero ..................................................................7-1
7.1 Introduction ............................................................................................. 7-1
7.2 Control Endpoint EP0 ............................................................................. 7-2
7.3 USB Requests ......................................................................................... 7-5
EZ-USB TRM v1.9
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