CHAPTER 17 SERIAL INTERFACE IIC0 (
µ
PD780344Y, 780354Y SUBSERIES ONLY)
339
User’s Manual U15798EJ2V0UD
(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
AK
D7 to D0
AK
D7 to D0
AK
SP
1
2
1: IICS0 = 01000110B (
Example
When ALD0 is read during interrupt servicing)
2: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
(b) When arbitration loss occurs during transmission of extension code
ST
AD6 to AD0 RW
AK
D7 to D0
AK
D7 to D0
AK
SP
1
2
1: IICS0 = 0110
×
010B (
Example
When ALD0 is read during interrupt servicing)
LREL0 is set to 1 by software
2: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×
: Don’t care