h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 250

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

Section 8 RAM-FIFO Unit (RFU)
Rev. 3.00 Jan 25, 2006 page 198 of 872
REJ09B0286-0300
Set TDRE_DTE in SCIDTER to 1
Set TE in SCR to 1
Prepare transmit data in RAM
TDRE_DTE in SCIDTER are
automatically cleared to 0
RFU activation request
Figure 8.8 Operation Flow of SCI Transmission
Initialize the RFU
Initialize the SCI
Overread RAM
TEND = 1
data?
End
Yes
Yes
Transfer transmit data from RAM to TDR
No
No
Start transmission
TDRE = 1
Yes
No