參數(shù)資料
型號: M30240M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, MICROCONTROLLER, PQFP80
封裝: 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù): 120/125頁
文件大?。?/td> 753K
代理商: M30240M4-XXXFP
CONFIDENTIAL
96
Mitsubishi microcomputers
M16C / 24 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change
UART0 through UART2
Table 28 lists the functions of the input/output pins during UART mode. This table shows the pin func-
tions when the separate CTS/RTS pins function 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”.
Figure 89 and Figure 90 show the typical UART mode transmit and receive timing diagrams.
Table 28:
Input/output pin functions in UART mode
Pin name
Function
Method of selection
TxDi
(P63, P67, P70)
Serial data
output
RxDi
(P62, P66, P71)
Serial data
input
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.)
CLKi
(P61, P65, P72)
Programmable
I/O port
Internal/external clock select bit (bit 3 at address 03A016, 03A816, 037816) = “0”
Transfer clock
input
Internal/external clock select bit (bit 3 at address 03A016, 03A816, 037816) = “1”
Port P61, P65, and P72 direction register (bits 1 and 5 at address 03EE16, bit 2
at address 03EF16) = “0”
CTSi/RTSi
(P60,P64,P73)
CTS input
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”
RTS output
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”
Programmable
I/O port
CTS/RTS disable bit (bit 4 at address 03A416, 03AC16, 037C16) = “1”
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