NEC mPD780344 Series User Manual page 339

CHAPTER 17 SERIAL INTERFACE IIC0 ( µ PD780344Y, 780354Y SUBSERIES ONLY)
(6) Operation when arbitration loss occurs (no communication after arbitration loss)
(a) When arbitration loss occurs during transmission of slave address data (when WTIM0 = 1)
ST AD6 to AD0 RW
1: IICS0 = 01000110B (Example When ALD0 is read during interrupt servicing)
2: IICS0 = 00000001B
Remark
(b) When arbitration loss occurs during transmission of extension code
ST AD6 to AD0 RW
1: IICS0 = 0110×010B (Example When ALD0 is read during interrupt servicing)
LREL0 is set to 1 by software
2: IICS0 = 00000001B
Remark
AK D7 to D0 AK
1
: Always generated
: Generated only when SPIE0 = 1
AK D7 to D0 AK
1
: Always generated
: Generated only when SPIE0 = 1
× : Don't care
User's Manual U15798EJ2V0UD
D7 to D0 AK SP
2
D7 to D0 AK SP
2
339