参数资料
型号: M30302MC-XXXFP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件页数: 18/178页
文件大小: 2734K
代理商: M30302MC-XXXFP
Clock asynchronous serial I/O (UART) mode
113
Mitsubishi microcomputers
M16C / 30 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Table 1.16.7 lists the functions of the input/output pins 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 is selected, this pin is in floating state.)
Table 1.16.7. Input/output pin functions in UART mode
Pin name
Function
Method of selection
TxDi
(P63, P67, P70)
Serial data output
Serial data input
Programmable I/O port
Transfer clock input
Programmable I/O port
RxDi
(P62, P66, P71)
CLKi
(P61, P65, P72)
Internal/external clock select bit (bit 3 at address 03A016, 03A816, 037816) = “0”
Internal/external clock select bit (bit 3 at address 03A016, 03A816) = “1”
Port P61, P65 direction register (bits 1 and 5 at address 03EE16) = “0”
(Do not set external clock for UART2)
Port P62, P66 and P71 direction register (bits 2 and 6 at address 03EE16,
bit 1 at address 03EF16)= “0”
(Can be used as an input port when performing transmission only)
CTS/RTS disable bit (bit 4 at address 03A416, 03AC16, 037C16) =“0”
CTS/RTS function select bit (bit 2 at address 03A416, 03AC16, 037C16) = “0”
Port P60, P64 and P73 direction register (bits 0 and 4 at address 03EE16,
bit 3 at address 03EF16) = “0”
CTS/RTS disable bit (bit 4 at address 03A416, 03AC16, 037C16) = “0”
CTS/RTS function select bit (bit 2 at address 03A416, 03AC16, 037C16) = “1”
CTS/RTS disable bit (bit 4 at address 03A416, 03AC16, 037C16) = “1”
CTS input
RTS output
CTSi/RTSi
(P60, P64, P73)
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