Datasheet

Section 17 I

C Bus Interface 2 (IIC2)

Rev. 3.00 Sep. 10, 2007 Page 341 of 528

REJ09B0216-0300

Bit Bit Name

Initial

Value

R/W Description

6 TEND 0 R/W Transmit End

[Setting conditions]

• When the ninth clock of SCL rises with the I

C bus

format while the TDRE flag is 1

• When the final bit of transmit frame is sent with the

clock synchronous serial format

[Clearing conditions]

• When 0 is written in TEND after reading TEND = 1

• When data is written to ICDRT with an instruction

5 RDRF 0 R/W Receive Data Register Full

[Setting condition]

• When a receive data is transferred from ICDRS to

ICDRR

[Clearing conditions]

• When 0 is written in RDRF after reading RDRF = 1

• When ICDRR is read with an instruction

4 NACKF 0 R/W No Acknowledge Detection Flag

[Setting condition]

• When no acknowledge is detected from the receive

device in transmission while the ACKE bit in ICIER is

[Clearing condition]

• When 0 is written in NACKF after reading NACKF = 1