MC9S08GT16CFB Freescale Semiconductor, MC9S08GT16CFB Datasheet - Page 75
MC9S08GT16CFB
Manufacturer Part Number
MC9S08GT16CFB
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S08GT16CFB.pdf
(290 pages)
Specifications of MC9S08GT16CFB
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
20MHz
Interface Type
SCI/SPI
Program Memory Type
Flash
Program Memory Size
16KB
Total Internal Ram Size
1KB
# I/os (max)
36
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
2.08V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
44
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
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LVDRE — Low-Voltage Detect Reset Enable
LVDSE — Low-Voltage Detect Stop Enable
LVDE — Low-Voltage Detect Enable
5.8.8
This register is used to report the status of the low voltage warning function, and to configure the stop mode
behavior of the MCU.
LVWF — Low-Voltage Warning Flag
LVWACK — Low-Voltage Warning Acknowledge
Freescale Semiconductor
This read/write bit enables LVDF events to generate a hardware reset (provided LVDE = 1).
Provided LVDE = 1, this read/write bit determines whether the low-voltage detect function operates
when the MCU is in stop mode.
This read/write bit enables low-voltage detect logic and qualifies the operation of other bits in this
register.
1
The LVWF bit indicates the low-voltage warning status.
The LVWACK bit indicates the low-voltage warning acknowledge.
Writing a 1 to LVWACK clears LVWF to 0 if a low voltage warning is not present.
V
LVWF will be set in the case when V
1 = Force an MCU reset when LVDF = 1.
0 = LVDF does not generate hardware resets.
1 = Low-voltage detect enabled during stop mode.
0 = Low-voltage detect disabled during stop mode.
1 = LVD logic enabled.
0 = LVD logic disabled.
1 = Low voltage warning is present or was present.
0 = Low voltage warning not present.
LVW
.
System Power Management Status and Control 2 Register (SPMSC2)
Figure 5-9. System Power Management Status and Control 2 Register (SPMSC2)
Power-on reset:
Any other reset:
LVD reset:
Read:
Write:
LVWF
Bit 7
0
0
0
(1)
(1)
1
Supply
= Unimplemented or Reserved
LVWACK
MC9S08GB/GT Data Sheet, Rev. 2.3
6
0
0
0
0
transitions below the trip point or after reset and V
LVDV
0
U
U
5
Reset, Interrupt, and System Control Registers and Control Bits
LVWV
0
U
U
4
PPDF
3
0
0
0
U = Unaffected by reset
PPDACK
0
2
0
0
0
Supply
PDC
1
0
0
0
is already below
PPDC
Bit 0
0
0
0
75
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