參數(shù)資料
型號： M30218MFCFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, QFP-100
文件頁數(shù)： 160/161頁
文件大?。?/td> 2043K
代理商： M30218MFCFP
Under
development
Tentative Specifications REV.A
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30218 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
98
Clock asynchronous serial I/O (UART) mode
Table GA-4 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 a “H”. (If the N-
channel open-drain is selected, this pin is in floating state.)
Table GA-4. Input/output pin functions in UART mode (i=0,1)
Figure GA-11. UARTi transmit/receive mode register in UART mode
Pin name
Function
Method of selection
TxDi
(P44, P74)
Serial data output
Serial data input
Programmable I/O port
Transfer clock input
Programmable I/O port
RxDi
(P45, P75)
CLKi
(P46, P76)
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 P45, P75 direction register (bits 5 at address 03EA16 and 03EF16)= “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 P47, P77 direction register (bits 7 at address 03EA16 and 03EF16) = “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
(P47, P77)
(Outputs dummy data when performing reception only)
Symbol
Address
When reset
UiMR (i=0,1)
03A016, 03A816
0016
CKDIR
UARTi transmit/receive mode register
Internal/external clock
select bit
STPS
PRY
PRYE
SLEP
0 : Internal clock
1 : External clock
Bit name
Function
Bit symbol
W
R
b7
b6
b5
b4
b3
b2
b1
b0
SMD0
SMD1
SMD2
Serial I/O mode select bit
b2 b1 b0
0 : One stop bit
1 : Two stop bits
0 : Parity disabled
1 : Parity enabled
0 : Sleep mode deselected
1 : Sleep mode selected
1 0 0 : Transfer data 7 bits long
1 0 1 : Transfer data 8 bits long
1 1 0 : Transfer data 9 bits long
Valid when bit 6 = “1”
0 : Odd parity
1 : Even parity
Stop bit length select bit
Odd/even parity select bit
Parity enable bit
Sleep select bit
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