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ST40RA bảng dữ liệu(PDF) 90 Page - STMicroelectronics

tên linh kiện ST40RA
Giải thích chi tiết về linh kiện  32-bit Embedded SuperH Device
PDF  94 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST40RA bảng dữ liệu(HTML) 90 Page - STMicroelectronics

Back Button ST40RA Datasheet HTML 86Page - STMicroelectronics ST40RA Datasheet HTML 87Page - STMicroelectronics ST40RA Datasheet HTML 88Page - STMicroelectronics ST40RA Datasheet HTML 89Page - STMicroelectronics ST40RA Datasheet HTML 90Page - STMicroelectronics ST40RA Datasheet HTML 91Page - STMicroelectronics ST40RA Datasheet HTML 92Page - STMicroelectronics ST40RA Datasheet HTML 93Page - STMicroelectronics ST40RA Datasheet HTML 94Page - STMicroelectronics  
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ADCS 7260755H
STMicroelectronics
90/94
ST40RA
B Implementation restrictions
B.7
Interconnect
B.7.1
Memory bridge functionality
Ensure there is no traffic passing though the memory bridge when changing frequency.
Semisynchronous modes of operation are not supported.
B.7.2
Clock selection
The alternate CLOCKGENB clock is not supported for the LMI.
B.7.3
Pad drive control
Programmable drive strength control is not supported for DDR operation.
B.8
GPDMA
B.8.1
Linked list support
Decrementing transfers are not supported as part of link list transfer sequences
B.8.2
2-D transfers
2-D transfers fail if the following conditions are met.
1
Source or destination length is greater than 64 bytes.
2
Real transfer unit is less then 32 bytes.
3
The expression length =
n * 64 + tu is true, where:
­ length is either SLENGTH or DLENGTH,
­ tu the real transfer unit of the first access of the second line,
­ n > 0.
B.8.3
Protocol signals
DACK and DRACK protocol signals have limited support.



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