Renesas M16C/6NK Hardware Manual page 216

Under development
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M16C/6N Group (M16C/6NK, M16C/6NM)
SI/O3, 4, 5, 6 Transmit/Receive Register
b7 b6 b5 b4 b3 b2
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".
Figure 15.38 S3456TRR Register
Rev.2.00 Nov 28, 2005
REJ09B0124-0200
b1 b0
Symbol
S3456TRR
Bit Symbol
SI/O3 Transmit/Receive
S3TRF
Complete Flag
SI/O4 Transmit/Receive
S4TRF
Complete Flag
SI/O5 Transmit/Receive
S5TRF
Complete Flag
SI/O6 Transmit/Receive
S6TRF
Complete Flag
Nothing is assigned. When write, set to "0".
-
(b7-b4)
When read, their contents are indeterminate.
page 198 of 378
(1) (2)
Address After Reset
01DAh XXXX0000b
Bit Name
0 : During transmission/reception
1 : Transmission/reception completed
0 : During transmission/reception
1 : Transmission/reception completed
0 : During transmission/reception
1 : Transmission/reception completed
0 : During transmission/reception
1 : Transmission/reception completed
15. Serial Interface
Function
RW
RW
RW
RW
RW
-