MC9S08QD2CSC Freescale, MC9S08QD2CSC Datasheet - Page 71
MC9S08QD2CSC
Manufacturer Part Number
MC9S08QD2CSC
Description
Manufacturer
Freescale
Datasheet
1.MC9S08QD2CSC.pdf
(198 pages)
Specifications of MC9S08QD2CSC
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
128Byte
# I/os (max)
4
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
4-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
Program Memory Type
Flash
Program Memory Size
2KB
Lead Free Status / RoHS Status
Compliant
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6.4.2.1
An internal pullup device can be enabled for each port pin by setting the corresponding bit in the pullup
enable register (PTAPEn). The pullup device is disabled if the pin is configured as an output by the parallel
I/O control logic or any shared peripheral function regardless of the state of the corresponding pullup
enable register bit. The pullup device is also disabled if the pin is controlled by an analog function.
6.4.2.2
Slew rate control can be enabled for each port pin by setting the corresponding bit in the slew rate control
register (PTASEn). When enabled, slew control limits the rate at which an output can transition in order to
reduce EMC emissions. Slew rate control has no effect on pins which are configured as inputs.
Freescale Semiconductor
PTAPE[5:0]
PTASE[5:0]
PTAPE4 has no effect on the output-only PTA4 pin.
PTASE5 has no effect on the input-only PTA5 pin.
Reset:
Reset:
Field
Field
5:0
5:0
W
W
R
R
Internal Pullup Enable for Port A Bits — Each of these control bits determines if the internal pullup device is
enabled for the associated PTA pin. For port A pins that are configured as outputs, these bits have no effect and
the internal pullup devices are disabled.
0 Internal pullup device disabled for port A bit n.
1 Internal pullup device enabled for port A bit n.
Output Slew Rate Enable for Port A Bits — Each of these control bits determines if the output slew rate control
is enabled for the associated PTA pin. For port A pins that are configured as inputs, these bits have no effect.
0 Output slew rate control disabled for port A bit n.
1 Output slew rate control enabled for port A bit n.
Port A Internal Pullup Enable (PTAPE)
0
Port A Slew Rate Enable (PTASE)
0
7
0
7
0
Figure 6-4. Internal Pullup Enable for Port A Register (PTAPE)
Figure 6-5. Slew Rate Enable for Port A Register (PTASE)
0
0
0
0
6
6
Table 6-3. PTAPE Register Field Descriptions
Table 6-4. PTASE Register Field Descriptions
MC9S08QD4 Series MCU Data Sheet, Rev. 6
PTASE5
PTAPE5
0
1
5
5
1
PTAPE4
PTASE4
0
1
4
4
Description
Description
1
PTAPE3
PTASE3
3
0
3
1
PTASE2
PTAPE2
Chapter 6 Parallel Input/Output Control
0
1
2
2
PTAPE1
PTASE1
0
1
1
1
PTAPE0
PTASE0
0
1
0
0
71
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