CHAPTER 17 SERIAL INTERFACE IIC0 (
µ
PD780344Y, 780354Y SUBSERIES ONLY)
338
User’s Manual U15798EJ2V0UD
(b) When arbitration loss occurs during transmission of extension code
(i)
When WTIM0 = 0
ST
AD6 to AD0 RW
AK
D7 to D0
AK
D7 to D0
AK
SP
1
2
3
4
1: IICS0 = 0110
×
010B (
Example
When ALD0 is read during interrupt servicing)
2: IICS0 = 0010
×
000B
3: IICS0 = 0010
×
000B
4: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×
: Don’t care
(ii) When WTIM0 = 1
ST
AD6 to AD0 RW
AK
D7 to D0
AK
D7 to D0
AK
SP
1
2
3
4
5
1: IICS0 = 0110
×
010B (
Example
When ALD0 is read during interrupt servicing)
2: IICS0 = 0010
×
110B
3: IICS0 = 0010
×
100B
4: IICS0 = 0010
××
00B
5: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×
: Don’t care