HD64F2149YV datasheet(483/1075 Pages) RENESAS

Nome de Peças	HD64F2149YV

Descrição Electrónicos	Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

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Section 15 Serial Communication Interface (SCI, IrDA)

Rev. 3.00 Jan 18, 2006 page 455 of 1044

REJ09B0280-0300

Table 15.8

SMR Settings and Serial Transfer Format Selection

SMR Settings

SCI Transfer Format

Bit 7

Bit 6

Bit 2

Bit 5

Bit 3

CHR

STOP

Mode

Data

Length

Multi-

processor

Bit

Parity

Bit

Stop Bit

Length

00000

8-bit data

1 bit

12 bits

Yes

1 bit

12 bits

7-bit data

1 bit

12 bits

Yes

1 bit

Asynchronous

mode

2 bits

—

8-bit data

Yes

1 bit

—

12 bits

—

7-bit data

1 bit

—

Asynchronous

mode (multi-

processor

format)

2 bits

————

Synchronous mode 8-bit data

None

Table 15.9

SMR and SCR Settings and SCI Clock Source Selection

SMR

SCR Setting

SCI Transfer Clock

Bit 7

Bit 1

Bit 0

CKE1

CKE0

Mode

Clock

Source

SCK Pin Function

Internal

SCI does not use SCK pin

Outputs clock with same frequency as bit

rate

External

Asynchronous

mode

Inputs clock with frequency of 16 times

the bit rate

Internal

Outputs serial clock

External

Inputs serial clock

Synchronous

mode

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