Fujitsu FR60 Hardware Manual page 465

[Bit 1] GCA (General Call Address)
This bit is the general call address (00
Value
0
1
This bit is cleared when a (repeated) START or STOP condition is detected.
[Bit 0] ADT (Address Data Transfer)
This bit is the slave address reception detection bit.
Value
0
1
This bit is set to "1" if a START condition is detected. It is cleared after the second byte if the header
section of a slave address is detected during 10-bit write access. Otherwise, it is cleared after the first
byte.
[After the first or second byte means the following]
• Writing "0" to the MSS bit during master interrupt (MSS=1, INT=1:IBCR)
• Writing "1" to the SCC bit during master interrupt (MSS=1, INT=1:IBCR)
• Clearing the INT bit
• Beginning of a transfer bytes that is not used for the transfer destination as master or slave
447
) detection bit.
H
General call address is not received as a slave.
General call address is received as a slave.
Received data is not a slave address (or the bus is idle).
Received data is a slave address.
15.2 I
Function
Function
2
C Interface Register