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參數(shù)資料

5C348A/B

USAGES

1. Data Transfer Formats

1.1 Timing Between CE Pin Transition and Data Input/Output

The R

5C348A/B adopt a 4-wire serial interface by which they use the CE (Chip Enable), SCLK (Serial Clock), SI

(Serial Input), and SO (Serial Output) pins to receive and send data to and from the CPU. The 4-wire serial interface

provides two types of input/output timings with which the SO pin output and the SI pin input are synchronized with

the rising and falling edges of the SCLK pin input, respectively, and vice versa. The R

5C348A/B are configured to

select either one of two different input/output timings depending on the level of the SCLK pin in the low to high

transition of the CE pin. Namely, when the SCLK pin is held low in the low to high transition of the CE pin, the

models will select the timing with which the SO pin output and the SI pin input are synchronized with the rising and

falling edges of the SCLK pin input, respectively, as illustrated in the timing chart below.

CES

SCLK

Conversely, when the SCLK pin is held high in the low to high transition of the CE pin, the models will select the

timing with which the SO pin output and the SI pin input are synchronized with the falling and rising edges of the

SCLK pin input, respectively as illustrated in the timing chart below.

CES

SCLK

相關(guān)PDF資料	PDF描述
RS5C348B-E2	Real-Time Clock
RT1710B6	LVDS & LVPECL FPGA Terminator RoHS Compliant Parts Available
RT1710B7	LVDS & LVPECL FPGA Terminator RoHS Compliant Parts Available
RT1720B7	LVDS & LVPECL FPGA Terminator RoHS Compliant Parts Available
RT1721B6	LVDS & LVPECL FPGA Terminator RoHS Compliant Parts Available

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
RS5C348B	制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE
RS5C348B-E2	制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Real-Time Clock
RS5C372A	制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs
RS5C372B	制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP)
RS5C372B-E1	制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP)

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