参数资料
型号: M30621FCAGP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 14 MM, 0.65 MM PITCH, PLASTIC, QFP-80
文件页数: 5/143页
文件大小: 3168K
代理商: M30621FCAGP
Mitsubishi microcomputers
M16C / 62A Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Clock synchronous serial I/O mode
99
Table 1.14.4 lists the functions of the input/output pins during clock synchronous serial I/O mode. This
table shows the pin functions when the transfer clock output from multiple pins is not selected. Note that
for a period from when the UARTi operation mode is selected to when transfer starts, the TxDi pin outputs
a “H”. (If the N-channel open-drain is selected, this pin is in floating state.)
Pin name
Function
Method of selection
TxDi
(P63, P67)
Serial data output
Serial data input
Transfer clock output
Transfer clock input
Programmable I/O
port
(Outputs dummy data when performing reception only)
RxDi
(P62, P66)
CLKi
(P61, P65)
Internal/external clock select bit (bit 3 at address 03A016, 03A816) = “0”
Internal/external clock select bit (bit 3 at address 03A016, 03A816) = “1”
Port P61 and P65 direction register (bits 1 and 5 at address 03EE16) = “0”
Port P62 and P66 direction register (bits 2 and 6 at address 03EE16)= “0”
(Can be used as an input port when performing transmission only)
CTS/RTS disable bit (bit 4 at address 03A416, 03AC16) =“0”
CTS/RTS function select bit (bit 2 at address 03A416, 03AC16) = “0”
Port P60 and P64 direction register (bits 0 and 4 at address 03EE16) = “0”
CTS/RTS disable bit (bit 4 at address 03A416, 03AC16) = “0”
CTS/RTS function select bit (bit 2 at address 03A416, 03AC16) = “1”
CTS/RTS disable bit (bit 4 at address 03A416, 03AC16) = “1”
CTS input
RTS output
CTSi/RTSi
(P60, P64)
Table 1.14.4. Input/output pin functions in clock synchronous serial I/O mode
(when transfer clock output from multiple pins is not selected)
Note: Clock synchronous serial I/O mode cannot be used in UART2.
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