MC68HC16Z1CPV25 Freescale Semiconductor, MC68HC16Z1CPV25 Datasheet - Page 280
MC68HC16Z1CPV25
Manufacturer Part Number
MC68HC16Z1CPV25
Description
IC MPU 1K RAM 25MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Series
HC16r
Datasheet
1.MC68HC16Z1VEH16.pdf
(500 pages)
Specifications of MC68HC16Z1CPV25
Core Processor
CPU16
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
Q1141110
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11.11 Pulse-Width Modulation Unit
11-16
An interrupt request can be made when each of the status flags is set. However, op-
eration of the PAI interrupt depends on operating mode. In event counting mode, an
interrupt is requested when the edge being counted is detected. In gated mode, the
request is made when the PAI input changes from active to inactive state. Interrupt re-
quests are enabled by the PAOVI and PAII bits in the TMSK2 register.
Bits in the pulse accumulator control register (PACTL) control the operation of PACNT.
The PAMOD bit selects event counting or gated operation. In event counting mode,
the PEDGE control bit determines whether a rising or falling edge is detected. In gated
mode, PEDGE specifies the active state of the gate signal. Bits PACLK[1:0] select the
clock source used in gated mode.
PACTL and PACNT are implemented as one 16-bit register, but can be accessed with
byte or word access cycles. Both registers are cleared at reset, but the PAIS and
PCLKS bits show the state of the PAI and PCLK pins.
The PAI pin can also be used for general-purpose input. The logic state of the PAIS
bit in PACTL shows the state of the pin.
The pulse-width modulation (PWM) unit has two output channels, PWMA and PWMB.
A single clock output from the prescaler multiplexer drives a 16-bit counter that is used
to control both channels.
unit.
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 11-6
GENERAL-PURPOSE TIMER
Go to: www.freescale.com
is a block diagram of the pulse-width modulation
M68HC16 Z SERIES
USER’S MANUAL
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