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M
1
6
C
2 /
6
A
G
o r
u
p
(
M
1
_______ _______
13.1.1.7 CTS/RTS separate function (UART0)
This function separates CTS
from the P6
4
• The CRD bit in the U0C0 register is set to "0" (enables UART0 CTS/RTS)
• The CRS bit in the U0C0 register is set to "1" (outputs UART0 RTS)
• The CRD bit in the U1C0 register is set to "0" (enables UART1 CTS/RTS)
• The CRS bit in the U1C0 register is set to "0" (inputs UART1 CTS)
• The RCSP bit in the UCON register is set to "1" (inputs CTS
• The CLKMD1 bit in the UCON register is set to "0" (CLKS
Note that when using the CTS/RTS separate function, UART1 CTS/RTS separate function cannot be
used.
NOTE:
1. This applies to the case where U1MAP bit in PACR register is set to "0" (P6
Figure 13.1.1.7.1. CTS/RTS separate function usage
R
e
. v
2
0 .
0
F
e
b
1 .
, 5
2
0
0
7
R
E
J
0
9
B
0
2
0
2
0 -
2
0
0
6
C
2 /
6
, A
M
1
6
C
2 /
6
, B
M
1
_______
_______
/RTS
0
0
pin. To use this function, set the register bits as shown below.
_______ _______
Microcomputer
T
D
(P6
)
X
0
3
R
D
(P6
)
X
0
2
CLK
(P6
)
0
1
RTS
(P6
)
0
0
CTS
(P6
)
0
4
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f o
3
2
9
6
C
2 /
6
) T
_______
, outputs RTS
from the P6
0
_______
pin, and accepts as input the CTS
0
_______ _______
_______
_______ _______
_______
from the P6
pin)
0
4
not used)
1
_______ _______
IC
IN
OUT
CLK
CTS
RTS
7
13. Serial I/O
_______
0
to P6
).
4
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