nRF24LU1+ Nordic VLSI, nRF24LU1+ Datasheet - Page 2

• Manufacturer Part Number: nRF24LU1+
• Manufacturer: Nordic VLSI

Nordic Semiconductor ASA
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Fax: [phone]
Reg. nr./VAT no.: 966011726
Detailed Description
Product: nRF24LU1P
Anomaly #1
Symptoms:
When verifying Flash content, the specified hold time is violated for the last bit in each byte.
This bit will only be held for a short time after the positive edge of SSCK, not until the negative edge as
specified. The hold time after the positive edge of SSCK is typically in the order of 20-40ns.
Conditions:
Will happen for any Flash SPI READ command, which requires too long hold time.
Consequences:
Bit 0 of spidata read may be corrupted.
Workaround:
External SPI masters should have minimal SMISO hold time versus posedge SSCK requirement. A value of
< 15ns will be acceptable for small loads on SMISO, for larger loads larger hold times are accepted.
Date:2008-10-17
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