UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 512

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

510
Remark
(6) Operation when arbitration loss occurs (no communication after arbitration loss)
Remark
ST
1: IICS0 = 0110×010B
2: IICS0 = 0010×110B
3: IICS0 = 0010×100B
4: IICS0 = 0010××00B
5: IICS0 = 00000001B
ST
1: IICS0 = 01000110B
2: IICS0 = 00000001B
When the device is used as a master in a multi-master system, read the MSTS0 bit each time interrupt request
signal INTIIC0 has occurred to check the arbitration result.
(a) When arbitration loss occurs during transmission of slave address data (when WTIM0 = 1)
AD6 to AD0 R/W ACK
AD6 to AD0 R/W ACK
(ii) When WTIM0 = 1
×:
: Always generated
: Generated only when SPIE0 = 1
: Always generated
: Generated only when SPIE0 = 1
Don’t care
1
1
2
D7 to D0
D7 to D0
CHAPTER 14 SERIAL INTERFACE IIC0
Preliminary User’s Manual U19748EJ1V0UD
ACK
ACK
3
D7 to D0
D7 to D0
ACK
ACK
4
SP
SP
5
2