NEC V850ES/KE1+ User Manual page 502

(5) When loss occurs due to stop condition during data transfer
ST AD6 to AD0
1: IICS0 register = 1000X110B
Δ 2: IICS0 register = 01000001B
Remarks 1.
Δ: Generated only when SPIE0 bit = 1
X: don't care
2. Dn = D6 to D0
502
CHAPTER 16 I
R/W ACK D7 to Dn
1
: Always generated
User's Manual U16896EJ2V0UD
2
C BUS
SP
Δ2