M16CSLASH62M datasheet(406/615 Pages) RENESAS

tên linh kiện	M16C/62M

Giải thích chi tiết về linh kiện	16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

PDF	615 Pages

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UART

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2-89

Example of wiring

Example of operation

RXDi

RTSi

TXD

Port

Microcomputer

Transmitter side IC

Start bit

Reception started when transfer

clock is generated by falling edge

of start bit

Sampled “L”

Receive data taken in

BRGi's count

source

Receive enable

bit (RE)

RxDi

Transfer clock

Receive

complete flag

(RI)

RTSi

Stop bit

“1”

“0”

“1”

“H”

“L”

Timing of transfer data 8 bits long applies to the following settings :

•Transfer data length is 8 bits.

•Parity is disabled.

•One stop bit

•RTS function is selected.

Receive interrupt

request bit

(IR)

“0”

“1”

Cleared to “0” when interrupt request is accepted, or cleared by software

Transferred from UARTi receive register

to UARTi receive buffer register

(1) Reception enabled

(2) Start reception

(4) Data is

read

(3) Receiving is

completed

Figure 2.5.11. Operation timing of reception in UART mode

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