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| 型号： | PWL6030B1AACMR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA187 |
| 封装： | 7 X 7 MM, 0.40 MM PITCH, GREEN, FCBGA-187 |
| 文件页数： | 44/97页 |
| 文件大小： | 937K |
| 代理商： | PWL6030B1AACMR |
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SWCS045B
– SEPTEMBER 2010 – REVISED JUNE 2011
Table 11. Groups and Resources Association (continued)
RESOURCE
GROUP1 (APP)
GROUP2 (CON)
GROUP3 (MOD)
GROUP4 (PHOENIX)
OTHER EXTERNAL
CONTROLLED
RESOURCES
REGEN1
Yes (software)
REGEN2
Yes (software)
SYSEN
Yes (software)
INTERNAL RESOURCES
NRESPWRON
Yes (hardware)
BIAS
Yes (hardware)
RC6MHZ
Yes (hardware)
TMP
Yes (hardware)
VBATMIN_HI
Yes (software)
Power States of Groups and Subsystem Groups
NO SUPPLY state (Phoenix group only):
– Description: The system is not powered by any energy source.
– Condition: VUPR > VPOR
BACKUP state (Phoenix group only):
– Description: The system is powered only by a backup battery.
– Activity: Minimum supply is available to maintain only the keep-alive functions in the Phoenix power device
group, such as RTC and other critical data registers and no other activity in the system.
WAIT-ON/OFF state (Phoenix group and subsystem groups):
– Description: The system is powered by a valid energy source.
– Activity: Minimum supply is available to maintain only the keep-alive supply for the RTC and other critical
data registers. Power-management controller reset is released and the Phoenix power device group
accepts and treats triggering events (WAIT-ON); all other groups are in the OFF state.
ACTIVE state (all groups):
– Description: The system is powered by a valid energy source.
– Activity: The Phoenix group is ACTIVE. The resources required for the group running the application are
enabled and the required power supplies are active full current capable (the other groups can remain in
SLEEP or OFF state). The system reset is released.
SLEEP state (all groups):
– Description: The system is powered by a valid energy source. The Phoenix power device group switches
to SLEEP state when all other groups are in SLEEP state.
– Activity: Resources associated with the group are configured in low-power mode to maintain group
context.
NO SUPPLY and BACKUP are global states; that is, they correspond to a unique state of the power resources.
ACTIVE, WAIT-ON, and SLEEP are not global states and can be divided in substates; each substate
corresponds to a different state configuration of the power resources.
Transitions from the current power state to the next power state are initiated by triggering events. Triggering
events can result from user action, system activity, or a change in environmental conditions. Triggering events
are enabled or disabled, depending on the triggering conditions.
Subsystem Hardware Commands
Partial-on or partial-off events coming from subsystems (ACTIVE or SLEEP) are transmitted to the TWL6030
device using hardware signals (PREQ1, PREQ2A, PREQ2B, PREQ2C, PREQ3). The FSM conveys this
information to the resources of the subsystem group to set each resource in a state based on the subsystem
state.
Each subsystem is associated with at least one hardware signal:
Group 1: Application processor group (APP)
→ PREQ1
Copyright
2010–2011, Texas Instruments Incorporated
49
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