SH7147 Datasheet, PDF(618/1108 Page) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

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SH7147 Datasheet, PDF (618/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

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Section 14 Synchronous Serial Communication Unit

Figure 14.1 shows a block diagram of the synchronous serial communication unit.

Module data bus

Internal data bus

SSTDR 0

SSTDR 1

SSTDR 2

SSTDR 3

SSRDR 0

SSRDR 1

SSRDR 2

SSRDR 3

SSCRH

SSCRL

SSCR2

SSMR

SSER

SSSR

Control circuit

SSOEI

SSCEI

SSRXI

SSTXI

SSTEI

SSTRSR

Selector

Clock

Clock

selector

PÏ

PÏ/4

PÏ/8

PÏ/16

PÏ/32

PÏ/64

PÏ/128

PÏ/256

SSI

SSO

SCS

[Legend]

SSCRH:

SS control register H

SSCRL:

SS control register L

SSCR2:

SS control register 2

SSMR:

SS mode register

SSER:

SS enable register

SSSR:

SS status register

SSTDR0 to SSTDR3: SS transmit data registers 0 to 3

SSRDR0 to SSRDR3: SS receive data registers 0 to 3

SSTRSR:

SS shift register

SSCK (External clock)

Figure 14.1 Block Diagram of Synchronous Serial Communication Unit

Rev. 3.00 Oct. 06, 2008 Page 594 of 1080

REJ09B0230-0300

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