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AT43USB325E-AC bảng dữ liệu(PDF) 5 Page - ATMEL Corporation

tên linh kiện AT43USB325E-AC
Giải thích chi tiết về linh kiện  Multimedia USB Keyboard Controller with Embedded Hub
PDF  109 Pages
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nhà sản xuất  ATMEL [ATMEL Corporation]
Trang chủ  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT43USB325E-AC bảng dữ liệu(HTML) 5 Page - ATMEL Corporation

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5
3355C–USB–4/05
AT43USB325
Note:
Signal names ending with an N are active low.
PF[1:3]
Bi-directional
Port F[1:3] – Bi-directional I/O port. In the AT43USB325E, these port pins have dual
functions as the interface pins to the serial EEPROM as shown below:
NC/SSN
Output
No Connect/Slave Select – In the AT43USB325M this pin is not used. In the AT43USB325E
this pin is the SPI slave select input used for enabling the serial memory during program
memory downloading.
TEST
Input
Test Pin – This pin should be tied to ground.
RESETN
Input
Reset – Active low
1.3
Signal Description (Continued)
Name
Type
Function
Port Pin
Alternate Function 1
(AT43USB325E only)
Alternate Function 2
PF1
SCK, SPI Master Clock Out
OC1A, Timer/Counter1 Output Compare A
PF2
SI, SPI Slave Data Input
OC1B, Timer/Counter1 Output Compare B
PF3
SO, SPI Slave Data Out
ICP, Timer/Counter1 Input Capture



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