S9S12GN16F0VLF Freescale Semiconductor, S9S12GN16F0VLF Datasheet - Page 766
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S9S12GN16F0VLF
Manufacturer Part Number
S9S12GN16F0VLF
Description
16-bit Microcontrollers - MCU 16-bit16k Flash 2k RAM
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12GN16F0VLF
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
16 KB
Data Ram Size
1024 B
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
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Timer Module (TIM16B8CV3)
23.3.2.15 16-Bit Pulse Accumulator Control Register (PACTL)
Read: Any time
Write: Any time
When PAEN is set, the Pulse Accumulator counter is enabled. The Pulse Accumulator counter shares the
input pin with IOC7.
768
Module Base + 0x0020
CLK[1:0]
PAMOD
PEDGE
Reset
PAOVI
PAEN
Field
PAI
3:2
6
5
4
1
0
W
R
Pulse Accumulator System Enable — PAEN is independent from TEN. With timer disabled, the pulse
accumulator can function unless pulse accumulator is disabled.
0 16-Bit Pulse Accumulator system disabled.
1 Pulse Accumulator system enabled.
Pulse Accumulator Mode — This bit is active only when the Pulse Accumulator is enabled (PAEN = 1). See
Table
0 Event counter mode.
1 Gated time accumulation mode.
Pulse Accumulator Edge Control — This bit is active only when the Pulse Accumulator is enabled (PAEN = 1).
For PAMOD bit = 0 (event counter mode). See
0 Falling edges on IOC7 pin cause the count to be increased.
1 Rising edges on IOC7 pin cause the count to be increased.
For PAMOD bit = 1 (gated time accumulation mode).
0 IOC7 input pin high enables M (bus clock) divided by 64 clock to Pulse Accumulator and the trailing falling
1 IOC7 input pin low enables M (bus clock) divided by 64 clock to Pulse Accumulator and the trailing rising edge
Clock Select Bits — Refer to
Pulse Accumulator Overflow Interrupt Enable
0 Interrupt inhibited.
1 Interrupt requested if PAOVF is set.
Pulse Accumulator Input Interrupt Enable
0 Interrupt inhibited.
1 Interrupt requested if PAIF is set.
0
0
7
edge on IOC7 sets the PAIF flag.
on IOC7 sets the PAIF flag.
23-19.
Figure 23-24. 16-Bit Pulse Accumulator Control Register (PACTL)
Unimplemented or Reserved
PAEN
0
6
MC9S12G Family Reference Manual,
Table 23-18. PACTL Field Descriptions
PAMOD
Table
0
5
23-20.
PEDGE
0
4
Table
Description
23-19.
CLK1
0
3
Rev.1.23
CLK0
0
2
Freescale Semiconductor
PAOVI
0
1
PAI
0
0
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