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參數(shù)資料
| 型號(hào)： | R2033T |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | 3 wire interface Real-Time Clock ICs |
| 中文描述： | 3線接口實(shí)時(shí)時(shí)鐘芯片 |
| 文件頁(yè)數(shù)： | 22/50頁(yè) |
| 文件大小： | 542K |
| 代理商： | R2033T |
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R2033K/T
Interfacing with the CPU
DATA TRANSFER FORMATS
22
(1) Timing Between CE Pin Transition and Data Input / Output
The R2033K/T adopts a 3-wire serial interface by which they use 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 SIO pin output and input are synchronized with the
rising or falling edges of the SCLK pin input, respectively, and vice versa. The R2033K/T is 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 SIO pin output is synchronized with the rising edge of the SCLK pin
input, and the input is synchronized with the falling edge of the SCLK pin input, as illustrated in the timing chart
below.
SCLK
SIO (for reading)
t
DS
SIO (for writing)
CE
t
CES
t
DH
t
RD
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 SIO pin output is synchronized with the falling edge of the SCLK pin input, and the input is
synchronized with the rising edge of the SCLK pin input, as illustrated in the timing chart below.
SCLK
SIO (for reading)
t
DS
SIO (for writing)
CE
t
CES
t
DH
t
RD
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R2043T | 4-wire Serial Interface |
| R2043T-E2 | 4-wire Serial Interface |
| R2043K | 4-wire Serial Interface |
| R2043K-E2 | 4-wire Serial Interface |
| R3111Q181B | LOW VOLTAGE DETECTOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R2033T-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs |
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| R203553000 | 功能描述:RF 連接器 SSMB(M) STR BH SP RoHS:否 制造商:Bomar Interconnect 產(chǎn)品:Connectors 射頻系列:BNC 型式:Jack (Female) 極性: 觸點(diǎn)電鍍:Gold 阻抗: 端接類型:Solder 主體類型:Straight Bulkhead 電纜類型: |
| R203665000 | 功能描述:RF 連接器 SSMB(M)R/A PCB NC PN RoHS:否 制造商:Bomar Interconnect 產(chǎn)品:Connectors 射頻系列:BNC 型式:Jack (Female) 極性: 觸點(diǎn)電鍍:Gold 阻抗: 端接類型:Solder 主體類型:Straight Bulkhead 電纜類型: |
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