參數(shù)資料
型號(hào): TWL2214CAPFB
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48
封裝: PLASTIC, TQFP-48
文件頁(yè)數(shù): 8/39頁(yè)
文件大小: 583K
代理商: TWL2214CAPFB
TWL2214CA
POWER SUPPLY MANAGEMENT IC AND
LiIon BATTERY CHARGE CONTROL
SLVS321A – OCTOBER 2001 – REVISED JANUARY 2002
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
SPI bus protocols (continued)
DATA OUT
t HDO
CLK
DATA
DATA IN
t SUDIN
t HDIN
CLK
DATA
t HCE
CE
CLK
DATA – MSB
DATA
t
SUCE
CE
CLK
SPI1
DATA
SPI0
CLK
t CLK
t
CLKH or t CLKL
CE
t
CE
t
TD
Figure 5. SPI Protocol Timing
Ignore data while CE is low
CE
CLK
DATA
DISB_SPI
Format
SPI[1–0]
Start when CE goes low
Data [7–0]
Register Address [7–0]
Slave Address [7–0]
SPI[1–0]
Stop when CE goes high
One Cycle
A3
A4
A5
A6
A7
R/W
SA1
SA2
SA3
SA4
SA5
SA6
SA7
A2
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
Figure 6. SPI Read and Write
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