參數(shù)資料
型號(hào)： RS5C338A
廠商： RICOH COMPANY LTD
元件分類： XO, clock
英文描述： 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
中文描述： 0 TIMER(S), REAL TIME CLOCK, PDSO10
封裝： 6.40 X 3.50 MM, 1.25 MM HEIGHT, SSOP-10
文件頁(yè)數(shù)： 24/52頁(yè)
文件大?。?/td> 440K
代理商： RS5C338A
21
R
×
5C338A
USAGES
1. Data Transfer Formats
1.1 Timing Between CE Pin Transition and Data Input/Output
The R
×
5C338A adopt a 3-wire serial interface by which it uses the CE (Chip Enable), SCLK (Serial Clock), and SIO
(Serial Input/Output), pins to receive and send data to and from the CPU. The 3-wire serial interface provides two
types of input/output timings with which the output and input from the SIO pin output and input are synchronized
with the rising and falling edges of the SCLK pin input, respectively, and vice versa. The R
×
5C338A 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 output and input from the SIO pin are synchronized with the rising and
falling edges of the SCLK pin input, respectively, as illustrated in the timing chart below.
t
CES
t
DS
t
DH
t
RD
CE
SCLK
SIO
(Input to the real-time clock)
SIO
(Output from the real-time clock)
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 output and input from the SIO pin are synchronized with the falling and rising edges of the
SCLK pin input, respectively as illustrated in the timing chart below.
t
CES
t
DS
t
DH
t
RD
CE
SCLK
SIO
(Input to the real-time clock)
SIO
(Output from the real-time clock)
相關(guān)PDF資料
PDF描述
RS5C348A-E2 Real-Time Clock
RS5C348B-E2 Real-Time Clock
RT1710B6 LVDS & LVPECL FPGA Terminator RoHS Compliant Parts Available
RT1710B7 LVDS & LVPECL FPGA Terminator RoHS Compliant Parts Available
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RS5C338A-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RS5C348A 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE
RS5C348A-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Real-Time Clock
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
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