SH7018 datasheet(244/431 Pages) RENESAS

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Transmit/Receive Formats: Table 12.10 shows the 12 communication formats that can be

selected in the asynchronous mode. The format is selected by settings in the serial mode register

(SMR1).

Table 12.10 Serial Communication Formats (Asynchronous Mode)

SMR1 Bits

Serial Transmit/Receive Format and Frame Length

Bit 6:

CHR

Bit 5:

Bit 2:

Bit 3:

STOP

2345678

0000

START

8-bit data

STOP

0001

START

8-bit data

STOP STOP

0100

START

8-bit data

STOP

0101

START

8-bit data

STOP STOP

1000

START

7-bit data

STOP

1001

START

7-bit data

STOP STOP

1100

START

7-bit data

STOP

1101

START

7-bit data

STOP STOP

—

START

8-bit data

MPB

STOP

—

START

8-bit data

MPB

STOP STOP

—

START

7-bit data

MPB

STOP

—

START

7-bit data

MPB

STOP STOP

—: Don’t care bits.

Note:

START: Start bit

STOP: Stop bit

P: Parity bit

MPB: Multiprocessor bit

Clock: An internal clock generated by the on-chip baud rate generator or an external clock input

from the SCK pin can be selected as the SCI1 transmit/receive clock. The clock source is selected

by the C/

A bit in the serial mode register (SMR1) and bits CKE1 and CKE0 in the serial control

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