h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 442

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Serial Communication Interface (SCI and IrDA)
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.
Rev. 3.00 Mar 21, 2006 page 388 of 788
REJ09B0300-0300
Multiprocessor Serial Data Transmission
Figure 15.10 Example of Communication Using Multiprocessor Format
Serial
data
Legend:
MPB: Multiprocessor bit
Transmitting
Receiving
station A
(ID = 01)
(Transmission of Data H'AA to Receiving Station A)
station
ID transmission
cycle =
receiving station
specification
H'01
Receiving
station B
(ID = 02)
(MPB = 1)
Serial communication line
Data transmission cycle =
Data transmission to
receiving station specified by ID
Receiving
H'AA
station C
(ID = 03)
(MPB = 0)
Receiving
station D
(ID = 04)