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Rev.1.02 Jul 01, 2005 page 173 of 314
REJ09B0126-0102
M16C/6N Group (M16C/6NL, M16C/6NN) 14. Serial I/O
Under development
This document is under development and its contents are subject to change.
Figure 14.38 S3456TRR Register
0 : During transmission/reception
1 :
Transmission/reception completed
S3TRF
S4TRF
S5TRF
Symbol
S3456TRR
Address
01DAh
After Reset
XXXX0000b
SI/O3 Transmit/Receive
Complete Flag
SI/O4 Transmit/Receive
Complete Flag
SI/O5 Transmit/Receive
Complete Flag
NOTES:
1. The S3TRF to S6TRF bits can only be reset by writing to "0".
(The S5TRF and S6TRF bits are only in the 128-pin version.)
2. When setting the S3TRF to S6TRF bits to "0", use the MOV instruction to write to the these bits after setting to
"0" the bit set to "0" and setting other bits to "1".
Bit Symbol Bit Name Function
SI/O3, 4, 5, 6 Transmit/Receive Register
(1) (2)
0 : During transmission/reception
1 :
Transmission/reception completed
0 : During transmission/reception
1 :
Transmission/reception completed
S6TRF
SI/O6 Transmit/Receive
Complete Flag
0 : During transmission/reception
1 :
Transmission/reception completed
-
(b7-b4)
Nothing is assigned. When write, set to "0".
When read, their contents are indeterminate.
RW
RW
RW
RW
-
RW
b7 b6 b5 b4 b3 b2 b1 b0