DEMO9S08EL32AUTO Freescale Semiconductor, DEMO9S08EL32AUTO Datasheet - Page 77
![DEMO BOARD EL32 AUTO](/photos/37/58/375858/demo9s08sg32bd_sml.jpg)
DEMO9S08EL32AUTO
Manufacturer Part Number
DEMO9S08EL32AUTO
Description
DEMO BOARD EL32 AUTO
Manufacturer
Freescale Semiconductor
Type
MCUr
Datasheets
1.DEMO9S08EL32.pdf
(356 pages)
2.DEMO9S08EL32.pdf
(14 pages)
3.DEMO9S08EL32.pdf
(2 pages)
Specifications of DEMO9S08EL32AUTO
Contents
Board, Cable, CD and Documentation
Processor To Be Evaluated
MC9S08EL32
Data Bus Width
8 bit
Interface Type
RS-232, USB
Operating Supply Voltage
12 V
For Use With/related Products
MC9S08EL32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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5.7.7
This register is used to report the status of the low voltage warning function, and to configure the stop
mode behavior of the MCU.
Freescale Semiconductor
1
2
Any other Reset:
Power-on Reset:
PPDACK
This bit can be written only one time after power-on reset. Additional writes are ignored.
This bit can be written only one time after reset. Additional writes are ignored.
PPDC
LVWV
PPDF
Field
LVDV
LVD Reset:
5
4
3
2
0
System Power Management Status and Control 2 Register
(SPMSC2)
Low-Voltage Detect Voltage Select — This write-once bit selects the low voltage detect (LVD) trip point setting.
It also selects the warning voltage range. See
Low-Voltage Warning Voltage Select — This bit selects the low voltage warning (LVW) trip point voltage. See
Table
Partial Power Down Flag — This read-only status bit indicates that the MCU has recovered from stop2 mode.
0 MCU has not recovered from stop2 mode.
1 MCU recovered from stop2 mode.
Partial Power Down Acknowledge — Writing a 1 to PPDACK clears the PPDF bit
Partial Power Down Control — This write-once bit controls whether stop2 or stop3 mode is selected.
0 Stop3 mode enabled.
1 Stop2, partial power down, mode enabled.
Figure 5-9. System Power Management Status and Control 2 Register (SPMSC2)
W
R
1
5-11.
See Electrical Characteristics appendix for minimum and maximum values.
0
0
0
0
7
LVDV:LVWV
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
0:0
0:1
1:0
1:1
= Unimplemented or Reserved
Table 5-11. LVD and LVW trip point typical values
Table 5-10. SPMSC2 Register Field Descriptions
0
0
0
0
6
LVDV
0
u
u
5
LVW Trip Point
V
V
V
V
LVW0
LVW1
1
LVW2
LVW3
= 2.74 V
= 2.92 V
= 4.3 V
= 4.6 V
LVWV
Table
4
0
u
u
Description
5-11.
Chapter 5 Resets, Interrupts, and General System Control
PPDF
0
0
0
3
LVD Trip Point
V
V
LVD0
LVD1
PPDACK
u = Unaffected by reset
= 2.56 V
= 4.0 V
0
0
0
0
2
1
0
0
0
0
1
PPDC
0
0
0
0
2
77
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