M16CSLASH62 datasheet(151/615 Pages) RENESAS

부품명	M16C/62

상세설명	16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

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Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Clock asynchronous serial I/O (UART) mode

1-132

This function is to reverse TXD pin output and RXD pin input. The level of any data to be input or output

(including the start bit, stop bit(s), and parity bit) is reversed. Set this function to “0” (not to reverse) for

usual use.

(d) Bus collision detection function (UART2)

This function is to sample the output level of the TXD pin and the input level of the RXD pin at the rising

edge of the transfer clock; if their values are different, then an interrupt request occurs. Figure 1.16.21

shows the example of detection timing of a bus collision (in UART mode).

Figure 1.16.21. Detection timing of a bus collision (in UART mode)

ST : Start bit

SP : Stop bit

Transfer clock

TxD2

RxD2

Bus collision detection

interrupt request signal

“H”

“L”

“H”

“L”

“H”

“L”

“1”

“0”

Bus collision detection

interrupt request bit

“1”

“0”

M16C/62 데이터시트(PDF) 151 Page - Renesas Technology Corp