参数资料
型号: M30201F4T-FP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP56
封装: PLASTIC, QFP-56
文件页数: 146/158页
文件大小: 1633K
代理商: M30201F4T-FP
88
Under
development
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Serial I/O
Example of receive timing when transfer data is 8 bits long (parity disabled, one stop bit)
Figure 1.81. Typical receive timing in UART mode
(a) Sleep mode
This mode is used to transfer data between specific microcomputers among multiple microcomputers
connected using UARTi. The sleep mode is selected when the sleep select bit (bit 7 at addresses
03A016, 03A816) is set to “1” during reception. In this mode, the unit performs receive operation when
the MSB of the received data = “1” and does not perform receive operation when the MSB = “0”.
Clock asynchronous serial I/O (UART) mode
D0
Start bit
Sampled “L”
Receive data taken in
BRGi count
source
Receive enable bit
RxDi
Transfer clock
Receive
complete flag
Stop bit
“1”
“0”
“1”
The above timing applies to the following settings :
Parity is disabled.
One stop bit.
Receive interrupt
request bit
“0”
“1”
Transferred from UARTi receive register to
UARTi receive buffer register
Reception triggered when transfer clock
is generated by falling edge of start bit
D7
D1
Cleared to “0” when interrupt request is accepted, or cleared by software
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