參數(shù)資料
型號(hào): PTPS659104A1RSLR
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, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁數(shù): 21/89頁
文件大?。?/td> 941K
代理商: PTPS659104A1RSLR
PRODUCTPREVIEW
SWCS046C – MARCH 2010 – REVISED JUNE 2010
www.ti.com
SWITCH-ON/-OFF SEQUENCES AND TIMING (continued)
Table 2. Fixed Boot Mode: 00 (continued)
VPLL_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
4
VAUX1_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
1
VMMC_REG
SEL
LDO voltage selection
3.3 V
EEPROM
LDO time slot
6
VAUX33_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
OFF
VAUX2_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
5
CLK32KOUT pin
CLK32KOUT time slot
7
NRESPWRON pin
NRESPWRON time slot
7 + 1
0: VRTC LDO will be in low-power mode during OFF state
VRTC_OFFMAS
VRTC_REG
Low-power mode
K
1: VRC LDO will be in full-power mode during OFF state
0: RTC in normal power mode
DEVCTRL_REG
RTC_PWDN
1
1: Clock gating of RTC register and logic, low-power mode
0: Clock source is crystal/external clock
DEVCTRL_REG
CK32K_CTRL
RC
1: Clock source is internal RC oscillator
Boot sequence time slot duration:
DEVCTRL2_REG
TSLOT_LENGTH 0: 0.5 ms
2 ms
1: 2 ms
0: INT1 signal will be active-low
DEVCTRL2_REG
IT_POL
Active-low
1: INT1 signal will be active-high
0: Device will automatically switch-on at NOSUPPLY to
0: Automatic
OFF or BACKUP to OFF transition
INT_MSK_REG
VMBHI_IT_MSK
switch-on from
supply insertion
1: Startup reason required before switch-on
Select threshold for main battery comparator threshold
VMBCH_REG
VMBCH_SEL[1:0]
3 V
VMBCH.
28
Copyright 2010, Texas Instruments Incorporated
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