How many functional units does NEON on Cortex-a8 have? [closed]

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My question is how many and what all functional units does the NEON unit on ARM cortex-a8 have? If I have read correctly, the TRM doesn't explicitly say anything about the number of functional units on NEON core of ARM cortex-a8.

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Hopefully picture below from a Cortex-A8 descriptive paper (section 6.2) can help you