MC9S08SH16CTL Freescale, MC9S08SH16CTL Datasheet - Page 26
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MC9S08SH16CTL
Manufacturer Part Number
MC9S08SH16CTL
Description
Manufacturer
Freescale
Datasheet
1.MC9S08SH16CTL.pdf
(328 pages)
Specifications of MC9S08SH16CTL
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
40MHz
Interface Type
SCI/SPI
Total Internal Ram Size
1KB
# I/os (max)
23
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
16-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
28
Package Type
TSSOP
Program Memory Type
Flash
Program Memory Size
16KB
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08SH16CTL
Manufacturer:
Freescale Semiconductor
Quantity:
135
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Chapter 2 Pins and Connections
2.2.1
V
I/O buffer circuitry and to an internal voltage regulator. The internal voltage regulator provides regulated
lower-voltage source to the CPU and other internal circuitry of the MCU.
Typically, application systems have two separate capacitors across the power pins. In this case, there
should be a bulk electrolytic capacitor, such as a 10-μF tantalum capacitor, to provide bulk charge storage
for the overall system and a 0.1-μF ceramic bypass capacitor located as near to the MCU power pins as
practical to suppress high-frequency noise. Each pin must have a bypass capacitor for best noise
suppression.
V
ADC module. A 0.1uF ceramic bypass capacitor should be located as near to the MCU power pins as
practical to suppress high-frequency noise. The V
voltage reference low inputs, respectively for the ADC module. For this MCU, V
pin and these pins are available only in the 28-pin packages. In the 16-pin and 20-pin packages they are
double bonded to the V
in the 28-pin packages. In the 16-pin and 20-pin packages they are double bonded to the V
2.2.2
Immediately after reset, the MCU uses an internally generated clock provided by the clock source
generator (ICS) module. For more information on the ICS, see
(S08ICSV2).”
The oscillator (XOSC) in this MCU is a Pierce oscillator that can accommodate a crystal or ceramic
resonator. Rather than a crystal or ceramic resonator, an external oscillator can be connected to the EXTAL
input pin.
Refer to
resistors such as carbon composition resistors. Wire-wound resistors, and some metal film resistors, have
too much inductance. C1 and C2 normally should be high-quality ceramic capacitors that are specifically
designed for high-frequency applications.
R
is not generally critical. Typical systems use 1 MΩ to 10 MΩ. Higher values are sensitive to humidity and
lower values reduce gain and (in extreme cases) could prevent startup.
C1 and C2 are typically in the 5-pF to 25-pF range and are chosen to match the requirements of a specific
crystal or resonator. Be sure to take into account printed circuit board (PCB) capacitance and MCU pin
capacitance when selecting C1 and C2. The crystal manufacturer typically specifies a load capacitance
which is the series combination of C1 and C2 (which are usually the same size). As a first-order
approximation, use 10 pF as an estimate of combined pin and PCB capacitance for each oscillator pin
(EXTAL and XTAL).
26
F
DD
DDA
is used to provide a bias path to keep the EXTAL input in its linear range during crystal startup; its value
and V
and V
Figure 2-4
Power
Oscillator (XOSC)
SS
SSA
are the primary power supply pins for the MCU. This voltage source supplies power to all
are the analog power supply pins for MCU. This voltage source supplies power to the
for the following discussion. R
DD
pin. For this MCU, V
MC9S08SH32 Series Data Sheet, Rev. 2
PRELIMINARY
SSA
REFH
S
shares the V
(when used) and R
and V
REFL
Chapter 11, “Internal Clock Source
REFL
pins are the voltage reference high and
pin and these pins are available only
F
should be low-inductance
DDA
Freescale Semiconductor
shares the V
SS
pin.
REFH
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