MC68HC908AP64CFA Freescale Semiconductor, MC68HC908AP64CFA Datasheet - Page 154
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MC68HC908AP64CFA
Manufacturer Part Number
MC68HC908AP64CFA
Description
IC MCU 64K 8MHZ SPI 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AP8CFBE.pdf
(324 pages)
Specifications of MC68HC908AP64CFA
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2K 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
48-LQFP
For Use With
DEMO908AP64E - BOARD DEMO FOR 908AP64DEMO908AP64 - BOARD DEMO FOR 908AP64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908AP64CFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Timebase Module (TBM)
10.5 Interrupts
The timebase module can interrupt the CPU on a regular basis with a rate defined by TBR[2:0]. When the
timebase counter chain rolls over, the TBIF flag is set. If the TBIE bit is set, enabling the timebase
interrupt, the counter chain overflow will generate a CPU interrupt request. The interrupt vector is defined
in
Table 2-1 . Vector
Addresses.
Interrupts must be acknowledged by writing a logic 1 to the TACK bit.
10.6 Low-Power Modes
The WAIT and STOP instructions put the MCU in low power- consumption standby modes.
10.6.1 Wait Mode
The timebase module 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.
10.6.2 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 stop mode oscillator enable bit (STOP_ICLKDIS,
STOP_RCLKEN, or STOP_XCLKEN) for the selected oscillator in the CONFIG2 register. The timebase
module can be used in this mode to generate a periodic walk-up 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.
MC68HC908AP Family Data Sheet, Rev. 4
154
Freescale Semiconductor
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