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CC2430F32RTC 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
RF射频器件
封装:
VFQFN-48
描述:
用于 2.4GHz IEEE 802.15.4/ZigBee™ 的片上系统解决方案 48-VQFN -40 to 85
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CC2430F32RTC数据手册
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CC2430_CC2431
SWRZ021 Page 2 of 4
1 Command Strobes Can Corrupt RX FIFO Contents
The following applies only when address decoding is enabled
(MDMCTRL0H.ADDR_DECODE = 1).
1.1 Bug Description
When a frame is rejected by address decoding, CC2430 will disable SFD search until the
frame has been completely received. This prevents detection of a false SFD within the
remainder of the frame.
No part of the rejected frame should end up in the RX FIFO, but there is a special case
where exactly one byte from the rejected frame gets written to the FIFO. This bug is
triggered as follows:
1. Address decoding has failed, and CC2430 receives the remainder of the frame
(SFD = 0).
2. An SRXON, STXON or SRFOFF strobe is executed in the same clock cycle as
another byte of the rejected frame is received.
3. The last received byte of the rejected frame is written to the RX FIFO (byte "X" in
the figure).
The following status values can be observed when the bug is triggered (not considering
special conditions such as RX overflow):
• FIFO = 1
• FIFOP = 1 if byte "X" = 0x00 or 0x80
Both immediate strobes and strobes executed as CSP instructions are affected.
1.2 Suggested Workaround
The proposed workaround is simple to implement and has few negative side-effects.
SRXON and SRFOFF
The workaround consists of flushing the RX FIFO after the strobe has been executed.
The following procedure reduces the risk of false bug detection:
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