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Write transmit data
Set ADTP to the value (pointer
value) obtained by subtracting 1
from the number of transmit
Set the transmission/reception
operation interval time in ADTI
Write any data to SIO1
Write transmit data from
buffer RAM to SIO1
Transmission operation
ADTP: Automatic data transmit/receive address pointer
ADTI: Automatic data transmit/receive interval specification register
SIO1: Serial I/O shift register 1
288
CHAPTER 14 SERIAL INTERFACE CHANNEL 1
Figure 14-15. Repeat Transmission Mode Flowchart
Start
in buffer RAM
data bytes
(Start trigger)
No
Pointer value = 0
Yes
Reset ADTP
User's Manual U11302EJ4V0UM
Decrement pointer value
Software execution
Hardware execution
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