參數(shù)資料
型號(hào): AT43USB320A-AC
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Full-speed USB Microcontroller with an Embedded Hub
中文描述: 8-BIT, 12 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, MS-026AED, LQFP-100
文件頁數(shù): 79/115頁
文件大?。?/td> 722K
代理商: AT43USB320A-AC
79
AT43USB320A
1443E–USB–4/04
Function Endpoint 1, 2 Control Register – FENDP1,2_CR
Bit 7 – EPEN: Endpoint Enable
0 = Disable endpoint
1 = Enable endpoint
Bit 6..4 – Reserved
These bits are reserved in the AT43USB320A and will read as zero.
Bit 3 – DTGLE: Data Toggle
Identifies DATA0 or DATA1 packets. This bit will automatically toggle and requires clearing by
the firmware only in certain special circumstances.
Bit 2 – EPDIR: Endpoint Direction
0 = Out
1 = In
Bit 1, 0 – EPTYPE: Endpoint Type
These bits programs the type of endpoint.
Bit
7
6
5
4
3
2
1
0
$1FE4
EPEN
DTGLE
EPDIR
EPTYPE1
EPTYPE0
FENDP1_CR
$1FE3
EPEN
DTGLE
EPDIR
EPTYPE1
EPTYPE0
FENDP2_CR
Read/Write
R/W
R
R
R
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
Bit1
Bit0
Type
0
1
Isochronous
1
0
Bulk
1
1
Interrupt
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