RX5C348A 参数 Datasheet PDF下载

Rx5C348A/B

(3) Combination of 1-byte Reading and writing Data Transfer Formats

The 1-byte reading and writing data transfer formats can be combined together and further followed by any other

data transfer format.

Example of Reading Modify Writing Data Transfer

(For Reading and Writing Data from and to Address Fh)

CE

SI

SO

1 1 1 1 1 1 0 0

DATA

Specifying FhSetting Ch in Reading data from

the Transfer

in the

address Fh

Address

Pointer

Format

Register

Specifying FhSetting 8h in

in the

Address

Pointer

the Transfer

Format

Register

Writing data to

address Fh

1 1 1 1 1 0 0 0

DATA

Data transfer from the host

Data transfer from the RTCs

The reading and writing data transfer formats correspond to the settings in the transfer format register as shown

in the table below.

1 Byte

8h

(1,0,0,0)

Ch

(1,1,0,0)

Burst

0h

(0,0,0,0)

4h

(0,1,0,0)

Writing data

transfer

Reading data

transfer

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Rev.2.01

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