h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 556

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 17 I
Rev. 3.00 Jan 25, 2006 page 504 of 872
REJ09B0286-0300
Bit
2
Bit Name
TDRE
2
C Bus Interface (IIC)
Initial Value
0
R/W
R
Description
Transmit Data Register Empty
0: Transmit buffer (ICDRT) contains transmit data
1: Transmit buffer (ICDRT) contains no transmit data;
[Setting conditions]
[Clearing conditions]
This bit is enabled during transmission by the IIC
operation reservation adapter.
For transmission/reception with the conventional method,
see the description of the ICDRE and ICDRF flags in
ICDR.
write to ICDRT is possible
When start condition is detected (when ICDRX is not
written to before the start condition is detected) *
When transfer of first frame (address + R/W) ends
(rise of 9th clock) *
When transmission of second or subsequent frames
starts (fall of 1st clock) (except for when transferring
the last byte in DTC transfer) *
When ICDRX is written to *
When ACKB = 1 is received
When stop condition is detected
2
2
2
2