SH7018 datasheet(242/431 Pages) RENESAS

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Table 12.8

SMR1 Settings and SCI1 Communication Formats

SMR Settings

SCI1 Communication Format

Mode

Bit 7

Bit 6

CHR

Bit 5

Bit 2

Bit 3

STOP

Data

Length

Parity

Bit

Multipro-

cessor Bit

Stop Bit

Length

Asynchronous

0000

8-bit

Not set

1 bit

2 bits

Set

1 bit

2 bits

7-bit

Not set

1 bit

2 bits

Set

1 bit

2 bits

Asynchronous

8-bit

Not set

Set

1 bit

(multiprocessor

2 bits

format)

7-bit

1 bit

2 bits

Clock

synchronous

****

8-bit

Not set

None

Note:

Asterisks (*) in the table indicate don’t-care bits.

Table 12.9

SMR1 and SCR1 Settings and SCI1 Clock Source Selection

SMR1

SCR1 Settings

SCI1 Transmit/Receive Clock

Mode

Bit 7

Bit 1

CKE1

Bit 0

CKE0

Clock Source

SCK Pin Function*

Asynchronous

Internal

SCI1 does not use the SCK pin

Outputs a clock with frequency

matching the bit rate

External

Inputs a clock with frequency 16 times

the bit rate

Clock synch-

Internal

Outputs the synchronous clock

ronous

External

Inputs the synchronous clock

Note: * Select the function in combination with the pin function controller (PFC).

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