S9S12GN48F0VLF Freescale Semiconductor, S9S12GN48F0VLF Datasheet - Page 774
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S9S12GN48F0VLF
Manufacturer Part Number
S9S12GN48F0VLF
Description
16-bit Microcontrollers - MCU S12 Core,64kFlash,Au
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12GN48F0VLF
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
48 KB
Data Ram Size
2 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-48
Mounting Style
SMD/SMT
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S9S12GN48F0VLF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Timer Module (TIM16B8CV3)
23.4.5
Clearing the PAMOD bit configures the PACNT for event counter operation. An active edge on the IOC7
pin increments the pulse accumulator counter. The PEDGE bit selects falling edges or rising edges to
increment the count.
The Pulse Accumulator counter register reflect the number of active input edges on the PACNT input pin
since the last reset.
The PAOVF bit is set when the accumulator rolls over from 0xFFFF to 0x0000. The pulse accumulator
overflow interrupt enable bit, PAOVI, enables the PAOVF flag to generate interrupt requests.
23.4.6
Setting the PAMOD bit configures the pulse accumulator for gated time accumulation operation. An active
level on the PACNT input pin enables a divided-by-64 clock to drive the pulse accumulator. The PEDGE
bit selects low levels or high levels to enable the divided-by-64 clock.
The trailing edge of the active level at the IOC7 pin sets the PAIF. The PAI bit enables the PAIF flag to
generate interrupt requests.
The pulse accumulator counter register reflect the number of pulses from the divided-by-64 clock since the
last reset.
23.5
The reset state of each individual bit is listed within
which details the registers and their bit fields
23.6
This section describes interrupts originated by the TIM16B8CV3 block.
generated by the TIM16B8CV3 to communicate with the MCU.
776
Resets
Interrupts
Event Counter Mode
Gated Time Accumulation Mode
The PACNT input and timer channel 7 use the same pin IOC7. To use the
IOC7, disconnect it from the output logic by clearing the channel 7 output
mode and output level bits, OM7 and OL7. Also clear the channel 7 output
compare 7 mask bit, OC7M7.
The pulse accumulator counter can operate in event counter mode even
when the timer enable bit, TEN, is clear.
The timer prescaler generates the divided-by-64 clock. If the timer is not
active, there is no divided-by-64 clock.
MC9S12G Family Reference Manual,
NOTE
NOTE
NOTE
Section 23.3, “Memory Map and Register Definition”
Rev.1.23
Table 23-25
Freescale Semiconductor
lists the interrupts
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