NEC V854 UPD703006 User Manual page 269

(viii) When attempting to generate stop condition and defeated in arbitration because the data is
low level
<1> When WTIM = 0
ST AD6 to AD0 RW AK
1: IICS = 1 0 0 0 x 1 1 0 B
2: IICS = 1 0 0 0 x 0 0 0 B
3: IICS = 0 1 0 0 0 0 0 0 B (example: reads ALD during interrupt processing)
4: IICS = 0 0 0 0 0 0 0 1 B
Remark always generates
generates only when SPIE = 1
x don't care
<2> When WTIM = 1
ST AD6 to AD0 RW AK
1: IICS = 1 0 0 0 x 1 1 0 B
2: IICS = 1 0 0 0 x x 0 0 B
3: IICS = 0 1 0 0 0 0 0 0 B (example: reads ALD during interrupt processing)
4: IICS = 0 0 0 0 0 0 0 1 B
Remark always generates
generates only when SPIE = 1
x don't care
CHAPTER 8 SERIAL INTERFACE FUNCTION
SPT = 1
D7 to D0 AK D7 to D0
1 2
SPT = 1
D7 to D0 AK D7 to D0
1 2
User's Manual U11969EJ3V0UM00
AK D7 to D0 AK SP
3
AK D7 to D0 AK SP
3
4
4
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