326
CHAPTER 17 SERIAL INTERFACE IIC0 (
µ
PD780344Y, 780354Y SUBSERIES ONLY)
User’s Manual U15798EJ2V0UD
17.5.7 I
2
C interrupt requests (INTIIC0)
The INTIIC0 interrupt request timing and IIC status register 0 (IICS0) settings corresponding to that timing are
described below.
(1) Master device operation
(a) Start ~ Address ~ Data ~ Data ~ Stop (normal transmission/reception)
(i)
When WTIM0 = 0
SPT0 = 1
↓
ST
AD6 to AD0 RW
AK
D7 to D0
AK
D7 to D0
AK
SP
1
2
3
4
5
1: IICS0 = 1000
×
110B
2: IICS0 = 1000
×
000B
3: IICS0 = 1000
×
000B (Sets WTIM0)
4: IICS0 = 1000
××
00B (Sets SPT0)
5: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×
: Don’t care
(ii) When WTIM0 = 1
SPT0 = 1
↓
ST
AD6 to AD0 RW
AK
D7 to D0
AK
D7 to D0
AK
SP
1
2
3
4
1: IICS0 = 1000
×
110B
2: IICS0 = 1000
×
100B
3: IICS0 = 1000
××
00B (Sets SPT0)
4: IICS0 = 00000001B
Remark
: Always generated
: Generated only when SPIE0 = 1
×
: Don’t care
Содержание mPD780344 Series
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