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參數資料
型號: TPS65185RSLT
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封裝: 6 X 6 MM, 0.4 MM PITCH, 0.9 MM HEIGHT, PLASTIC, VQFN-48
文件頁數: 14/49頁
文件大小: 2488K
代理商: TPS65185RSLT
PRODUCTPREVIEW
Pull WAKEUP = HIGH
Pull PWRUP= HIGH
Write HiZ = 1
Device enters ACTIVE mode
All power rails are up except VCOM
VCOM pin is in HiZ state
Processor drives panel with NULL waveform
Write ACQ = 1
Starts A/D conversion
Wait for ACQC interrupt
Indicates A/D conversion is complete
If AVG[1:0] is <> 00, interrupt is issed
after all conversions are complete and
average has been calcutated.
Read result from VCOM1/2
registers
Pull PWRUP= LOW
Write HiZ = 0
Check result and decide to keep the
value or repeat measurment.
Device enters STANDBY mode
Write PROG = 1
Starts the EEPROM programming cycle
.
Power must not be interrupted.
Wait for PRGC interrupt
Indicates programming is complete
Pull WAKEUP = LOW
Device enters SLEEP mode
Pull WAKEUP = HIGH
Device enters STANDBY mode
Read VCOM[8:0]
Compare against written value to
confirm new default has been
programmed correctly.
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SLVSAQ8A
– FEBRUARY 2011 – REVISED MAY 2011
Figure 26. VCOM Calibration Flow
Copyright
2011, Texas Instruments Incorporated
21
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