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PM0020 bảng dữ liệu(PDF) 58 Page - STMicroelectronics

tên linh kiện PM0020
Giải thích chi tiết về linh kiện  STR91xFA Flash programming manual
PDF  87 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0020 bảng dữ liệu(HTML) 58 Page - STMicroelectronics

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Known limitations
PM00020
58/87
11
Known limitations
1.
Error Status with full chip
erase for a secured device.
9-23-05
Full chip erase on a secured device is an allowable
instruction. For the current revision of silicon, if the device
is secured, full chip erase will return an error status. The
erase operation is still going on as usual. Read/Busy
status is fully working. Hence, for a full chip erase on a
secured device, work around is to ignore error status and
instead, only relies on ready/busy status to determine the
completion of full chip erase operation.
2.
ISC_READ. 9-23-05
During data shift (64 bits), TDI has to be 1 (instead of don't
care).
3.
Address skip during
ISC_READ
Pulsing of TCK during RTI state increments address,
resulting in skipping of addresses during ISC read back.
Workaround: Keep TCK unchanged during RTI.
4.
PAUSE State
If PAUSE state is entered, resuming shift from PAUSE
requires starting of shift from the beginning.
Workaround: Avoid entering of PAUSE state.
5.
Daisy chain setup
Require STR91xFA to be first in the chain.
6.
ISC-PROGRAM failure.
6-29-06
Pulsing of TCK during RTI state causes programming
failure.
Workaround: Keep TCK unchanged during RTI.



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