參數(shù)資料
型號(hào): M30101M3-XXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PDSO42
封裝: PLASTIC, SSOP-42
文件頁數(shù): 114/125頁
文件大小: 1608K
代理商: M30101M3-XXXFP
Under
development
Tentative Specifications REV.C1
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30100/M30101/M30102 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Serial I/O
89
Example of receive timing when transfer data is 8 bits long (parity disabled, one stop bit)
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
(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
00A016, 00A816) 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”.
(b) RxD
1 input pin selection function (UART1)
This function allows the setting two RxD1 input pins and choosing one of the two to input serial data by
using the RxD1 input pin select bit (bits 6 at address 00B016).
Figure 1.15.13. Typical receive timing in UART mode
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