Sharp LH79524 - Page 300

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I

2

S Converter LH79524/LH79525 User’s Guide

10-2 Version 1.0

Figure 10-1. I

2

S Converter Block Diagram

LH79525-103

STROBE

CONVERSION

1 CLOCK

DELAY

WSDEL

WS DELAY

WS INVERSION

0

1

SSP PULSE >

I

2

S LEVEL

WSINV

SSP/I

2

S

MODE

SSPFSSOUT

(MASTER)

MASTER

CLOCK

ENABLE

0

1

I

2

S

SSP

SSPFSS_I2SWS_OUT

(MASTER)

1 CLOCK

DELAY

0

1

FRAME

DELAY

SUPPRESSION

LOGIC

1

CLOCK

DELAY

SLAVE CLOCK

ENABLE

STROBE CONVERSION

I

2

S LEVEL > SSP PULSE

SLAVE CLOCK ENABLE

MASTER/SLAVE

SSP/I

2

S

MODE

TXFIFO

UNDERUN

SSPTXD

MASTER

CLOCK

ENABLE

SLAVE

CLOCK

ENABLE

M

S

I

2

S

SSP

SSPTX_I2STXD_OUT

SSP/I

2

S

MODE

SSP_I2S_OE_n

SSPFSS_I2SWS_IN

(SLAVE)

SSPOE_n

WSDEL

SSP/I

2

S

MODE

SSPFSSIN

(SLAVE)

SSP

I

2

S

SSP

I

2

S

0

1

FRAME

DELAY

SSPTX_I2STXD_OUT

MASTER

CLOCK

ENABLE

1 CLOCK

DELAY

SLAVE CLOCK

ENABLE

SSPRX_I2SRXD_IN

MASTER/SLAVE

LOOPBACK

SSP/I

2

S

MODE

SSPRXD

SSP

I

2

S

M

S

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