參數(shù)資料
型號: M30240S9-XXXFP
廠商: Mitsubishi Electric Corporation
英文描述: 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述: 單片16位CMOS微機
文件頁數(shù): 85/142頁
文件大?。?/td> 1637K
代理商: M30240S9-XXXFP
1-85
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
UART0 through UART2
UARTi (i = 0 to 2) has two operation modes: a clock synchronous serial I/O mode and a clock
asynchronous serial I/O mode (UART mode). The contents of the serial I/O mode select bits (bits 0 to 2
at addresses 03A0
16
, 03A8
16
and 0378
16
) determine whether UARTi is used as a clock synchronous
serial I/O or as a UART. Although a few functions are different, UART0 and UART1 have almost the
same functions.
UART0 through UART2 are almost equal in their functions with minor exceptions.Table 1.23 shows the
comparison of functions of UART0 through UART2, and Figure 1.77, Figure 1.78, Figure 1.79, Figure
1.80, and Figure 1.81 show the registers related to UARTi.
Note 1: Only during clock synchronous serial I/O mode.
Note 2: Only during clock synchronous serial I/O mode and 8-bit UART mode.
Note 3: Only during UART mode.
Note 4: Used for SIM interface.
Table 1.23:
Comparison of functions of UART0 through UART2
Function
UART0
UART1
UART2
CLK polarity selection
Possible (Note 1)
Possible (Note 1)
Possible (Note 1)
LSB first / MSB first selection
Possible (Note 1)
Possible (Note 1)
Possible (Note 2)
Continuous receive mode selection
Possible (Note 1)
Possible (Note 1)
Possible (Note 1)
Transfer clock output from multiple pins selection
Impossible
Possible (Note 1)
Impossible
Serial data logic switch
Impossible
Impossible
Possible (Note 4)
Sleep mode selection
Possible (Note 3)
Possible (Note 3)
Impossible
TxD, RxD I/O polarity switch
Impossible
Impossible
Possible
TxD, RxD port output format
CMOS output
CMOS output
CMOS output
Parity error signal output
Impossible
Impossible
Possible (Note 4)
Bus collision detection
Impossible
Impossible
Possible
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