MC9S08DV32ACLF Freescale Semiconductor, MC9S08DV32ACLF Datasheet - Page 193

• Manufacturer Part Number: MC9S08DV32ACLF
• Description: IC MCU 32K FLASH 2K RAM 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS08r

Specifications of MC9S08DV32ACLF

• Core Processor: HCS08
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 39
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 16x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Processor Series: S08DV
• Core: HCS08
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: CAN, I2C, SCI, SPI
• Number Of Programmable I/os: 26
• Operating Supply Voltage: 5.5 V
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWS08
• Development Tools By Supplier: DEMO9S08DZ60
• On-chip Adc: 12 bit, 10 channel
• Controller Family/series: HCS08
• No. Of I/o's: 39
• Ram Memory Size: 2KB
• Cpu Speed: 40MHz
• No. Of Timers: 2
• Digital Ic Case Style: LQFP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

10.6
This section contains information for using the ADC module in applications. The ADC has been designed
to be integrated into a microcontroller for use in embedded control applications requiring an A/D
converter.
10.6.1
The following sections discuss the external pins associated with the ADC module and how they should be
used for best results.
10.6.1.1
The ADC module has analog power and ground supplies (V
on some devices. V
devices, V
pads for the analog supplies bonded to the same pin as the corresponding digital supply so that some degree
of isolation between the supplies is maintained.
When available on a separate pin, both V
as their corresponding MCU digital supply (V
noise immunity and bypass capacitors placed as near as possible to the package.
If separate power supplies are used for analog and digital power, the ground connection between these
supplies must be at the V
possible. The V
10.6.1.2
In addition to the analog supplies, the ADC module has connections for two reference voltage inputs. The
high reference is V
reference is V
When available on a separate pin, V
driven by an external source between the minimum V
never exceed V
potential as V
capacitors placed as near as possible to the package.
AC current in the form of current spikes required to supply charge to the capacitor array at each successive
approximation step is drawn through the V
current demand is a 0.1 μF capacitor with good high frequency characteristics. This capacitor is connected
between V
path is not recommended because the current causes a voltage drop that could result in conversion errors.
Inductance in this path must be minimum (parasitic only).
Freescale Semiconductor
Application Information
SSAD
REFH
External Pins and Routing
Analog Supply Pins
Analog Reference Pins
SSAD
REFL
DDAD
SSAD
and V
and V
. V
, which may be shared on the same pin as V
REFH
SSAD
). When available on a separate pin, V
pin makes a good single point ground location.
REFH
DDAD
REFL
, which may be shared on the same pin as V
is shared on the same pin as the MCU digital V
SSAD
and V
are shared with the MCU digital supply pins. In these cases, there are separate
and must be placed as near as possible to the package pins. Resistance in the
pin. This should be the only ground connection between these supplies if
REFL
MC9S08DV60 Series Data Sheet, Rev 3
REFH
must be routed carefully for maximum noise immunity and bypass
DDAD
may be connected to the same potential as V
REFH
DD
and V
and V
and V
SSAD
REFL
DDAD
SS
must be connected to the same voltage potential
) and must be routed carefully for maximum
loop. The best external component to meet this
REFL
spec and the V
DDAD
Chapter 10 Analog-to-Digital Converter (S08ADC12V1)
SSAD
must be connected to the same voltage
and V
DDAD
on some devices.
SSAD
SS
on some devices. The low
DDAD
on some devices. On other
) available as separate pins
potential (V
DDAD
, or may be
REFH
must
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