S9S12P64J0CFTR Freescale Semiconductor, S9S12P64J0CFTR Datasheet - Page 488

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S9S12P64J0CFTR

Manufacturer Part Number
S9S12P64J0CFTR
Description
16-bit Microcontrollers - MCU 16-bit 64K Flash
Manufacturer
Freescale Semiconductor
Datasheet

Specifications of S9S12P64J0CFTR

Rohs
yes
Core
S12
Processor Series
MC9S12P
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
64 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
3.15 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
QFN-48
Mounting Style
SMD/SMT
Timer Module (TIM16B8CV2) Block Description
14.3.2.12 Main Timer Interrupt Flag 1 (TFLG1)
Read: Anytime
Write: Used in the clearing mechanism (set bits cause corresponding bits to be cleared). Writing a zero
will not affect current status of the bit.
488
Module Base + 0x000E
PR[2:0]
Reset
TCRE
Field
TOI
7
3
2
W
R
Timer Overflow Interrupt Enable
0 Interrupt inhibited.
1 Hardware interrupt requested when TOF flag set.
Timer Counter Reset Enable — This bit allows the timer counter to be reset by a successful output compare 7
event. This mode of operation is similar to an up-counting modulus counter.
0 Counter reset inhibited and counter free runs.
1 Counter reset by a successful output compare 7.
If TC7 = 0x0000 and TCRE = 1, TCNT will stay at 0x0000 continuously. If TC7 = 0xFFFF and TCRE = 1, TOF
will never be set when TCNT is reset from 0xFFFF to 0x0000.
Timer Prescaler Select — These three bits select the frequency of the timer prescaler clock derived from the
Bus Clock as shown in
C7F
0
7
The newly selected prescale factor will not take effect until the next
synchronized edge where all prescale counter stages equal zero.
C6F
0
6
Figure 14-20. Main Timer Interrupt Flag 1 (TFLG1)
PR2
0
0
0
0
1
1
1
1
Table
Table 14-13. TSCR2 Field Descriptions
S12P-Family Reference Manual, Rev. 1.13
Table 14-14. Timer Clock Selection
C5F
14-14.
0
5
PR1
0
0
1
1
0
0
1
1
C4F
NOTE
0
4
Description
PR0
0
1
0
1
0
1
0
1
C3F
0
3
Bus Clock / 128
Bus Clock / 16
Bus Clock / 32
Bus Clock / 64
Bus Clock / 1
Bus Clock / 2
Bus Clock / 4
Bus Clock / 8
Timer Clock
C2F
0
2
Freescale Semiconductor
C1F
0
1
C0F
0
0

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