m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 275

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

Notes 1: When using the CTS
SERIAL I/O
11.2 Block description
Table 11.2.1 Selection of CTS/RTS function
11-20
CTS/RTS enable bit
CTS
CTS/RTS function select bit
: It may be either “0” or “1.”
P1
P1
P1
P1
P8
P8
i
/RTS
0
1
4
5
0
1
/CTS
/CTS
/CTS
/CTS
/AN
/AN
2: When using the P1
3: When CTS
i
8
9
“0” (output disabled).
port P1 or port P8 direction register to “0.”
cannot be separated in the clock synchronous serial I/O mode. When separating CTS
UART mode, be sure to select an internal clock.
separate select bit
/CTS
/CTS
0
0
1
1
/RTS
/CLK
/RTS
/CLK
2
2
/RTS
/CLK
0
1
0
1
pin
pin
pin
pin
2
2
i
/RTS
/DA
pin
1
pin (Note1)
i
separation is selected, the CLK
1
, P1
2
/RTS
5
, or P8
2
P8
pin, be sure that the D-A
7905 Group User’s Manual Rev.1.0
1
P1
P1
1
, AN
pin as the CTS
1
5
CTS
CTS
CTS
or CLK
or CLK
0
9
or CLK
0
1
2
0
1
2
0
P8
i
1
P1
P1
pin, be sure to clear the corresponding bit of the
, AN
i
1
5
RTS
RTS
RTS
pin cannot be used. Accordingly, CTS
or CLK
or CLK
1
9
1
0
or CLK
output enable bit (bit 1 at address 96
0
1
2
0
1
2
CTS
CTS
CTS
0
1
2
(Notes 2, 3)
(Notes 2, 3)
(Notes 2, 3)
RTS
RTS
RTS
1
0
1
2
P8
P8
1
P1
P1
0
, AN
, AN
1
5
P1
or CLK
P1
or CLK
9
1
i
8
, or CLK
/RTS
, or DA
0
4
i
/RTS
16
0
1
i
) =
in
1
2
i