r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 909

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

15.5.1
Figure 15.11 shows a sample flowchart for multiprocessor serial data transmission. For an ID
transmission cycle, set the MPBT bit in SSR to 1 before transmission. For a data transmission
cycle, clear the MPBT bit in SSR to 0 before transmission. All other SCI operations are the same
as those in asynchronous mode.
Serial
data
Legend:
MPB: Multiprocessor bit
Multiprocessor Serial Data Transmission
Figure 15.10 Example of Communication Using Multiprocessor Format
Transmitting
Receiving
station A
(ID = 01)
station
(Transmission of Data H'AA to Receiving Station A)
ID transmission cycle =
specification
receiving station
H'01
Receiving
station B
(ID = 02)
(MPB= 1)
Serial communication line
Section 15 Serial Communication Interface (SCI, IrDA)
Data transmission cycle =
data transmission to
receiving station specified by ID
Receiving
H'AA
station C
(ID = 03)
Rev. 1.00 Sep. 19, 2008 Page 881 of 1270
(MPB= 0)
Receiving
station D
(ID = 04)
REJ09B0466-0100