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W681307 Datasheet, PDF (146/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM
W681307
Mass Storage Class Command support (GER_MAX_LUN)
18.2.1
Endpoints
The definitions of embedded Endpoints are in Table 18-1.
Address
0
1
2
3
4
5
6
Type
Control
ISO
ISO
Bulk
Bulk
Interrupt
ISO
Direction
IN/OUT
IN
OUT
IN
OUT
IN
IN
Maximum Packet Size (Bytes)
8
16
18
64
64
8
3
Table 18-1 W681307 USB Endpoint Definitions
Memory Type
Registers
64x16
(Shared – double buffer)
128 x 8 (double buffer)
128 x 8 (double buffer)
Registers
Registers
18.2.2
Descriptor Rom
The default descriptors are stored in the 512x8 Bytes ROM. The address mapping and bank definition of this ROM are shown in Figure
18-2. The logical topology from these descriptors is shown in Figure 18-3.
0x000H ~ 0x011H
Device Descriptor
18 Bytes
Configuration Descriptor +
Interface Descriptor +
Endpoint Descriptor +
0x012H ~ 0x17FH
366 Bytes
Audio Class Descriptor +
HID Descriptor +
Report Descriptor
0x180H ~ 0x183H String Descriptor Index 0 4 Bytes
0x184H ~ 0x1BFH String Descriptor Index 1 60 Bytes
0x1C0H ~ 0x1DFH String Descriptor Index 2 32 Bytes
0x1E0H ~ 0x1FFH String Descriptor Index 3 32 Bytes
Figure 18-2 Descriptor ROM Definitions
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Publication Release Date: May, 2007
Revision 1.3