參數(shù)資料
型號(hào): ML60851D
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: USB Device Controller
中文描述: USB設(shè)備控制器
文件頁數(shù): 63/82頁
文件大?。?/td> 705K
代理商: ML60851D
ML60851D
Semiconductor
63/82
PEDL60851D-01
FIFO Control
The FIFO Control block controls all FIFO operations for transmitting and receiving USB packets.
The FIFO configuration is described below.
Endpoint FIFO/8-Byte Setup Register Configuration
Endpoint address
0
0
1
2
Program size
8 Bytes
8 Bytes
64 Bytes (2 levels)
64 Bytes
FIFO type
Reception
Transmission
Reception/Transmission
Reception/Transmission
Transmission
3
8 Bytes
Function
Transfer control
Transfer control
Bulk-In and bulk-Out
Bulk-Out and bulk-In
Interrupt
Every FIFO has a flag that indicates a full or empty FIFO and the capability of re-transmitting and
re-receiving data. Endpoint addresses 1 and 2 can be used for either of reception and transmission
by writing the register.
The FIFO at endpoint address 1 can be used for DMA transfer.
For Control Transfer
Setup Ready
Packet Ready
Packet Ready
For Bulk Transfer
Packet Ready
DMA Request
Packet Ready
64-Byte
FIFO
64-Byte
FIFO
8-Byte
FIFO
8-Byte
FIFO Tx
8-Byte
FIFO Rx
8-Byte
Setup Register
Endpoint Address 0
Endpoint Address 0
Endpoint Address 0
Endpoint Address 1
Endpoint Address 3
EP0 Receive FIFO
EP0 Transmit FIFO
EP1 FIFO (128 bytes)
(Selectable for transmitter
or receiver)
EP3 FIFO (8 bytes)
Packet Ready
64-Byte
FIFO
Endpoint Address 2
EP2 FIFO (64 bytes)
(Selectable for transmitter
or receiver)
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