R01UH0136EJ0210 Rev.2.10
Page 502 of 800
Jul 31, 2012
M16C/64A Group
23. Serial Interface UARTi (i = 0 to 2, 5 to 7)
Figure 23.32 Serial Bus Communication Control Example in Special Mode 2 (UART2)
Table 23.21
I/O Pin Functions in Special Mode 2
Pin Name
I/O
Function
Method of Selection
CLKi
Output Clock output
The CKDIR bit in the UiMR register = 0
TXDi
Output Serial data output
(Dummy data is output when performing reception only.)
RXDi
Input
Serial data input
Set the port direction bits sharing pins to 0.
Input
Input port
Set the port direction bits sharing pins to 0. (can be used as
an input port only when transmitting)
i = 0 to 2, 5 to 7
Pins
CTSi
/
RTSi
are not used. (They can be used as I/O ports.)
P1_3
P1_2
P7_0 (TXD2)
P7_2 (CLK2)
P7_1 (RXD2)
SS
TXD
CLK
RXD
SS
TXD
CLK
RXD
MCU (master)
MCU (slave)
MCU (slave)
Содержание M16C/60 Series
Страница 853: ...M16C 64A Group R01UH0136EJ0210...