參數(shù)資料
型號(hào): M306H3MC-XXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP116
封裝: 20 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-116
文件頁數(shù): 31/135頁
文件大小: 2583K
代理商: M306H3MC-XXXFP
Rev.1.00
2004.03.23
page 126 of 320
M306H3MC-XXXFP/FCFP
Table 2.11.7 lists the functions of the input/output pins during UART mode. Table 2.11.8 lists the P64 pin
functions during UART mode. Note that for a period from when the UARTi operation mode is selected to
when transfer starts, the TxDi pin outputs an “H”. (If the N-channel open-drain output is selected, this pin
is in a high-impedance state.)
Table2.11.7. I/O Pin Functions
Pin name
Function
Method of selection
TxDi (i = 0 to 2)
(P63, P67, P70)
Serial data output
Serial data input
Input/output port
Transfer clock input
Input/output port
(Outputs dummy data when performing reception only)
RxDi
(P62, P66, P71)
CLKi
(P61, P65, P72)
UiMR register’s CKDIR bit=0
UiMR register’s CKDIR bit=1
PD6 register’s PD6_1 bit=0, PD6_5 bit=0, PD7 register’s PD7_2 bit=0
PD6 register’s PD6_2 bit=0, PD6_6 bit=0, PD7 register’s PD7_1 bit=0
(Can be used as an input port when performing transmission only)
UiC0 register’s CRD bit=0
UiC0 register’s CRS bit=0
PD6 register’s PD6_0 bit=0, PD6_4 bit=0, PD7 register’s PD7_3 bit=0
UiC0 register’s CRD bit=0
UiC0 register’s CRS bit=1
UiC0 register’s CRD bit=1
CTS input
RTS output
CTSi/RTSi
(P60, P64, P73)
Table 2.11.8. P64 Pin Functions
Pin function
Bit set value
U1C0 register
UCON register
PD6 register
CRD
CRS
RCSP
CLKMD1
PD6_4
P64
1
0
Input: 0, Output: 1
CTS1
00
0
RTS1
10
0
CTS0 (Note)
0
00
1
0
Note: In addition to this, set the U0C0 register’s CRD bit to “0” (CTS0/RTS0
enabled) and the U0C0 register’s CRS bit to “1” (RTS0 selected).
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