參數(shù)資料
型號: SCC9521002-01C
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 30 MHz, MICROCONTROLLER, CDIP40
封裝: SIDE BRAZED, DIP-40
文件頁數(shù): 40/109頁
文件大?。?/td> 10824K
代理商: SCC9521002-01C
284
7593L–AVR–09/12
AT90USB64/128
7-0 - BYCT7:0 - Byte Count (low) bits
Set by the hardware. BYCT10:0 is:
- (for IN endpoint) increased after each writing into the endpoint and decremented after each
byte sent,
- (for OUT endpoint) increased after each byte sent by the host, and decremented after each
byte read by the software.
7 - Reserved
The value read from these bits is always 0. Do not set these bits.
6-0 - EPINT6:0 - Endpoint Interrupts bits
Set by hardware when an interrupt is triggered by the UEINTX register and if the corresponding
endpoint interrupt enable bit is set.
Cleared by hardware when the interrupt source is served.
Bit
765432
10
BYCT D7
BYCT D6
BYCT D5
BYCT D4
BYCT D3
BYCT D2
BYCT D1
BYCT D0
UEBCLX
Read/write
RRRRRRRR
Initial value
000000
00
Bit
7
6543210
-
EPINT D6
EPINT D5
EPINT D4
EPINT D3
EPINT D2
EPINT D1
EPINT D0 UEINT
Read/write
R
RRRRR
Initial value
0
0000000
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