M16C62N Datasheet, PDF(99/213 Page) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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M16C62N Datasheet, PDF (99/213 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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Clock synchronous serial I/O mode

Mitsubishi microcomputers

M16C / 62N Group (80-pin)

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

UARTi transmit/receive mode registers

b7 b6 b5 b4 b3 b2 b1 b0

0

001

Symbol

UiMR(i=0,1)

Address

When reset

03A016, 03A816

0016

Bit symbol

Bit name

Function

SMD0

SMD1

SMD2

CKDIR

STPS

PRY

PRYE

SLEP

Serial I/O mode select bit

b2 b1 b0

0 0 1 : Clock synchronous serial

I/O mode

Internal/external clock

select bit

0 : Internal clock

1 : External clock (Note)

Invalid in clock synchronous serial I/O mode

0 (Must always be â0â in clock synchronous serial I/O mode)

Note : Set the corresponding port direction register to â0â.

RW

Figure 1.14.10. UARTi transmit/receive mode register in clock synchronous serial I/O mode

98

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