Bypass chain 1
[Bypass Unit]

Bypass chain 1 (BPR1) write port connectivity

Requests to BPR1 write port

• pavr_s5_alu_bpr1wr_rq
  Need by regular ALU instructions that have a 16 bit result (ADIW, SBIW, MUL, MULS, MULSU, FMUL, FMULS, FMULSU, MOVW).
• pavr_s5_dacux_bpr12wr_rq
  Needed by loads and stores with pre(post) decrement(increment).
  Lower byte of X pointer will be written into BPR1.
• pavr_s5_dacuy_bpr12wr_rq
  Needed by loads and stores with pre(post) decrement(increment).
  Lower byte of Y pointer will be written into BPR1.
• pavr_s5_dacuz_bpr12wr_rq
  Needed by loads and stores with pre(post) decrement(increment).
  Lower byte of Z pointer will be written into BPR1.

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