參數(shù)資料
型號： M38B48MEH-XXXXFP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機
文件頁數(shù)： 37/78頁
文件大?。?/td> 1214K
代理商： M38B48MEH-XXXXFP
37
38B4 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Serial I/O2
Serial I/O2 can be used as either clock synchronous or asynchro-
nous (UART) serial I/O. A dedicated timer (baud rate generator) is
also provided for baud rate generation during serial I/O2 operation.
(1) Clock synchronous serial I/O mode
The clock synchronous serial I/O mode can be selected by setting
the serial I/O2 mode selection bit (b6) of the serial I/O2 control reg-
Fig. 38 Operation of clock synchronous serial I/O2 function
Fig. 37 Block diagram of clock synchronous serial I/O2
ister (address 001D
16
) to “1”. For clock synchronous serial I/O, the
transmitter and the receiver must use the same clock for serial I/O2
operation. If an internal clock is used, transmit/receive is started by
a write signal to the serial I/O2 transmit/receive buffer register (TB/
RB) (address 001F
16
).
When P5
7
(S
CLK22
) is selected as a clock I/O pin, S
RDY2
output
function is invalid, and P5
6
(S
CLK21
) is used as an I/O port.
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相關(guān)PDF資料
PDF描述
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參數(shù)描述
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