參數(shù)資料
型號: M30240M1-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): 105/125頁
文件大?。?/td> 753K
代理商: M30240M1-XXXFP
CONFIDENTIAL
82
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
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 03A016, 03A816 and 037816) 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 22 shows the
comparison of functions of UART0 through UART2, and Figure 77, Figure 78, Figure 79, Figure 80, and
Figure 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 22:
Comparison of functions of UART0 throught UART2
Function
UART0
UART1
UART2
CLK polarity selection
Possible (Note 1)
LSB rst / MSB rst selection
Possible (Note 1)
Possible (Note 2)
Continuous receive mode selection
Possible (Note 1)
Transfer clock output from multiple pins selection
Impossible
Possible (Note 1)
Impossible
Separate CTS/RTS pins
Possible
Impossible
Serial data logic switch
Impossible
Possible (Note 4)
Sleep mode selection
Possible (Note 3)
Impossible
TxD, RxD I/O polarity switch
Impossible
Possible
TxD, RxD port output format
CMOS output
Parity error signal output
Impossible
Possible (Note 4)
Bus collision detection
Impossible
Possible
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