Datasheet

Section 17 I
2
C Bus Interface 2 (IIC2)
Page 1032 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Bit Bit Name Initial Value R/W Description
4 NAKIE 0 R/W NACK Receive Interrupt Enable
This bit enables or disables the NACK receive
interrupt request (NAKI) when the NACKF and AL
bits in ICSR are set to 1. NAKI can be canceled by
clearing the NACKF, AL, or NAKIE bit to 0.
0: NACK receive interrupt request (NAKI) is
disabled.
1: NACK receive interrupt request (NAKI) is
enabled.
3 STIE 0 R/W Stop Condition Detection Interrupt Enable
0: Stop condition detection interrupt request
(STPI) is disabled.
1: Stop condition detection interrupt request
(STPI) is enabled.
2 ACKE 0 R/W Acknowledge Bit Judgement Select
0: The value of the acknowledge bit is ignored,
and continuous transfer is performed.
1: If the acknowledge bit is 1, continuous transfer
is interrupted.
1 ACKBR 0 R Receive Acknowledge
In transmit mode, this bit stores the acknowledge
data that are returned by the receive device. This
bit cannot be modified.
0: Receive acknowledge = 0
1: Receive acknowledge = 1
0 ACKBT 0 R/W Transmit Acknowledge
In receive mode, this bit specifies the bit to be sent
at the acknowledge timing.
0: 0 is sent at the acknowledge timing.
1: 1 is sent at the acknowledge timing.