MC9S08QD2CSC Freescale, MC9S08QD2CSC Datasheet - Page 149
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
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
MC9S08QD2CSC
Manufacturer:
FREESCALE
Quantity:
20 000
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Part Number:
MC9S08QD2CSCR
Manufacturer:
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11.3.2
The two read-only TPM counter registers contain the high and low bytes of the value in the TPM counter.
Reading either byte (TPMxCNTH or TPMxCNTL) latches the contents of both bytes into a buffer where
they remain latched until the other byte is read. This allows coherent 16-bit reads in either order. The
coherency mechanism is automatically restarted by an MCU reset, a write of any value to TPMxCNTH or
TPMxCNTL, or any write to the timer status/control register (TPMxSC).
Reset clears the TPM counter registers.
Freescale Semiconductor
Reset
W
R
Bit 15
Timer Counter Registers (TPMxCNTH:TPMxCNTL)
1
2
0
7
The maximum frequency that is allowed as an external clock is one-fourth of the bus
frequency.
If the external clock input is shared with channel n and is selected as the TPM clock source,
the corresponding ELSnB:ELSnA control bits must be set to 0:0 so channel n does not try to
use the same pin for a conflicting function.
CLKSB:CLKSA
PS2:PS1:PS0
0:0
0:1
1:0
1:1
14
Figure 11-4. Timer Counter Register High (TPMxCNTH)
0
6
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
1:1:0
1:1:1
Table 11-2. TPM Clock Source Selection
MC9S08QD4 Series MCU Data Sheet, Rev. 6
Table 11-3. Prescale Divisor Selection
Any write to TPMxCNTH clears the 16-bit counter.
13
0
5
TPM Clock Source to Prescaler Input
No clock selected (TPMx disabled)
12
0
4
External source (TPMxCLK)
Fixed system clock (XCLK)
Bus rate clock (BUSCLK)
TPM Clock Source Divided-By
11
3
0
128
16
32
64
1
2
4
8
Timer/Pulse-Width Modulator (S08TPMV2)
10
0
1,2
2
9
0
1
Bit 8
0
0
149
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