MC9S08QD2MPS FREESCALE [Freescale Semiconductor, Inc], MC9S08QD2MPS Datasheet - Page 68
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MC9S08QD2MPS
Manufacturer Part Number
MC9S08QD2MPS
Description
8-Bit HCS08 Central Processor Unit (CPU)
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S08QD2MPS.pdf
(202 pages)
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Chapter 5 Resets, Interrupts, and General System Control
68
LVWACK
PPDACK
PPDC
LVWF
LVWV
PPDF
Field
LVDV
7
6
5
4
3
2
0
Low-Voltage Warning Flag — The LVWF bit indicates the low voltage warning status.
0 Low voltage warning not preset.
1 Low voltage warning is present or was present.
Low-Voltage Warning Acknowledge — The LVWACK bit is the low-voltage warning acknowledge.
Writing a 1 to LVWACK clears LVWF to a 0 if a low voltage warning is not present.
Low-Voltage Detect Voltage Select — The LVDV bit selects the LVD trip point voltage (V
0 Low trip point selected (V
1 High trip point selected (V
Low-Voltage Warning Voltage Select — The LVWV bit selects the LVW trip point voltage (V
0 Low trip point selected (V
1 High trip point selected (V
Partial Power Down Flag — The PPDF bit indicates that the MCU has exited the stop2 mode.
0 Not stop2 mode recovery.
1 Stop2 mode recovery.
Partial Power Down Acknowledge — Writing a 1 to PPDACK clears the PPDF bit.
Partial Power Down Control — The write-once PPDC bit controls whether stop2 or stop3 mode is selected.
0 Stop3 mode enabled.
1 Stop2, partial power down, mode enabled.
Table 5-13. SPMSC2 Register Field Descriptions
MC9S08QD4 Series MCU Data Sheet, Rev. 3
LVD
LVW
LVD
LVW
= V
= V
= V
= V
LVDL
LVWL
LVDH
LVWH
).
).
).
).
Description
Freescale Semiconductor
LVD
LVW
).
).
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