MCHC908GR8AVFAE Freescale Semiconductor, MCHC908GR8AVFAE Datasheet - Page 109
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MCHC908GR8AVFAE
Manufacturer Part Number
MCHC908GR8AVFAE
Description
IC MCU 8K FLASH 8MHZ 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MCHC908GR8ACFAE.pdf
(260 pages)
Specifications of MCHC908GR8AVFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
21
Program Memory Size
7.5KB (7.5K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCHC908GR8AVFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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10.12 Timer Interface Module (TIM1 and TIM2)
10.12.1 Wait Mode
The timer interface modules (TIM) remain active in wait mode. Any enabled CPU interrupt request from
the TIM can bring the MCU out of wait mode.
If TIM functions are not required during wait mode, reduce power consumption by stopping the TIM before
executing the WAIT instruction.
10.12.2 Stop Mode
The TIM is inactive in stop mode. The STOP instruction does not affect register states or the state of the
TIM counter. TIM operation resumes when the MCU exits stop mode after an external interrupt.
10.13 Timebase Module (TBM)
10.13.1 Wait Mode
The timebase module (TBM) remains active after execution of the WAIT instruction. In wait mode, the
timebase register is not accessible by the CPU.
If the timebase functions are not required during wait mode, reduce the power consumption by stopping
the timebase before enabling the WAIT instruction.
10.13.2 Stop Mode
The timebase module may remain active after execution of the STOP instruction if the oscillator has been
enabled to operate during stop mode through the OSCSTOPENB bit in the CONFIG2 register. The
timebase module can be used in this mode to generate a periodic wakeup from stop mode.
If the oscillator has not been enabled to operate in stop mode, the timebase module will not be active
during stop mode. In stop mode, the timebase register is not accessible by the CPU.
If the timebase functions are not required during stop mode, reduce the power consumption by stopping
the timebase before enabling the STOP instruction.
10.14 Exiting Stop Mode
These events restart the system clocks and load the program counter with the reset vector or with an
interrupt vector:
Freescale Semiconductor
•
•
•
External reset — A 0 on the RST pin resets the MCU and loads the program counter with the
contents of locations $FFFE and $FFFF.
External interrupt — A high-to-low transition on an external interrupt pin loads the program counter
with the contents of locations:
–
–
Low-voltage inhibit (LVI) reset — A power supply voltage below the V
and loads the program counter with the contents of locations $FFFE and $FFFF.
$FFFA and $FFFB; IRQ pin
$FFE0 and $FFE1; keyboard interrupt pins
MC68HC908GR8A • MC68HC908GR4A Data Sheet, Rev. 5
Timer Interface Module (TIM1 and TIM2)
TRIPF
voltage resets the MCU
109
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