CHAPTER 10 SERIAL INTERFACE FUNCTION
User’s Manual U14492EJ3V0UD
485
Figure 10-25. Block Diagram of Clocked Serial Interface
Selector
Transmission control
SO selection
SO latch
Transmission
buffer register
(SOTBn/SOTBLn)
Reception buffer register
(SIRBn/SIRBLn)
Shift register
(SIOn/SIOLn)
Initial transmission
buffer register
(SOTBFn/SOTBFLn)
Interrupt
controller
Clock start/stop control
&
clock phase control
Serial clock controller
SCKn
INTCSIn
SOn
SIn
Control signal
Transmission data control
f
XX
/2
7
f
XX
/2
6
f
XX
/2
5
f
XX
/2
4
f
XX
/2
3
f
XX
/2
2
BRG3
SCKn
Remarks 1.
n = 0, 1
2.
f
XX
: Internal system clock
Содержание V850E/IA1 mPD703116
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