NEC V850ES/F 3-L Series User Manual page 503

2
I C Bus (IIC)
(4)
<1> Not extension code (Example: Address mismatch)
ST AD6 to AD0
♦
1: IICSn register = 1000X110B
♦
2: IICSn register = 01000110B (Example: When ALDn bit is read during interrupt servicing)
∆ 3: IICSn register = 00000001B
Remarks 1.
2. Dn = D6 to D0
<2> Extension code
ST AD6 to AD0
♦
1: IICSn register = 1000X110B
♦
2: IICSn register = 0110X010B (Example: When ALDn bit is read during interrupt servicing)
IICCn.LRELn bit is set to 1 by software
∆ 3: IICSn register = 00000001B
Remarks 1.
2. Dn = D6 to D0
(5)
When arbitration loss occurs due to restart condition during data
transfer
R/W ACK D7 to D0
♦
1
♦
: Always generated
∆: Generated only when SPIEn bit = 1
X: don't care
n = 0
R/W ACK D7 to D0
♦
1
♦
: Always generated
∆: Generated only when SPIEn bit = 1
X: don't care
n = 0
When arbitration loss occurs due to stop condition during data transfer
ST AD6 to AD0 R/W
♦
1: IICSn register = 1000X110B
∆ 2: IICSn register = 01000001B
♦
Remarks 1. : Always generated
∆: Generated only when SPIEn bit = 1
X: don't care
2. Dn = D6 to D0
n = 0
User's Manual U18743EE1V2UM00
ST AD6 to AD0 R/W
ST AD6 to AD0 R/W
ACK D7 to D0 ST
♦
1
Chapter 17
ACK D7 to D0 ACK
♦
2
ACK D7 to D0 ACK
♦
2
∆2
SP
∆3
SP
∆3
503