S9S08SG8E2VTG Freescale Semiconductor, S9S08SG8E2VTG Datasheet - Page 125
S9S08SG8E2VTG
Manufacturer Part Number
S9S08SG8E2VTG
Description
8-bit Microcontrollers - MCU 9S08 UC W/ 8K 0.25UM SGF
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S08SG8E2VTG.pdf
(320 pages)
Specifications of S9S08SG8E2VTG
Rohs
yes
Core
S08
Processor Series
MC9S08SG8
Data Bus Width
8 bit
Maximum Clock Frequency
40 MHz
Program Memory Size
8 KB
Data Ram Size
8 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 5.5 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
TSSOP-16
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
12
Interface Type
SCI, SPI
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
16
Number Of Timers
2
Program Memory Type
Flash
Supply Voltage - Max
5.5 V
Supply Voltage - Min
2.7 V
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For temperature calculations, use the V
In application code, the user reads the temperature sensor channel, calculates V
V
less than V
bandgap voltage reference and temperature sensor.
Calibrating at 25C will improve accuracy to
Calibration at 3 points, -40C, 25C, and 125C will improve accuracy to 2.5C. Once calibration has
been completed, the user will need to calculate the slope for both hot and cold. In application code, the
user would then calculate the temperature using
temperature is above or below 25C. Once determined if the temperature is above or below 25C, the user
can recalculate the temperature using the hot or cold slope value obtained during calibration.
Figure 9-1
Freescale Semiconductor
TEMP25
. If V
TEMP25
shows the MC9S08SG8 block diagram with the ADC module highlighted.
TEMP
, the hot slope value is applied in
is greater than V
MC9S08SG8 MCU Series Data Sheet, Rev. 7
TEMP25
TEMP25
, the cold slope value is applied in
and m values from the ADC Electricals table.
4.5C.
Equation 9-1
Equation
9-1. To improve accuracy , calibrate the
as detailed above and then determine if the
Chapter 9 Analog-to-Digital Converter (S08ADCV1)
Equation
TEMP
, and compares to
9-1. If V
TEMP
121
is
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