MC68HC908GR4CFA Freescale Semiconductor, MC68HC908GR4CFA Datasheet - Page 50
MC68HC908GR4CFA
Manufacturer Part Number
MC68HC908GR4CFA
Description
IC MCU 4K FLASH 8.2MHZ 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908GR4CFAE.pdf
(408 pages)
Specifications of MC68HC908GR4CFA
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
21
Program Memory Size
4KB (4K 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 ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Low Power Modes
3.2.1 Wait Mode
3.2.2 Stop Mode
3.3 Analog-to-Digital Converter (ADC)
3.3.1 Wait Mode
3.3.2 Stop Mode
Technical Data
50
The WAIT instruction puts the MCU in a low-power standby mode in
which the CPU clock is disabled but the bus clock continues to run.
Power consumption can be further reduced by disabling the LVI module
and/or the timebase module through bits in the CONFIG register. (See
Configuration Register
Stop mode is entered when a STOP instruction is executed. The CPU
clock is disabled and the bus clock is disabled if the OSCSTOPENB bit
in the CONFIG register is at a logic 0. (See
(CONFIG).)
The ADC continues normal operation during wait mode. Any enabled
CPU interrupt request from the ADC can bring the MCU out of wait
mode. If the ADC is not required to bring the MCU out of wait mode,
power down the ADC by setting ADCH4–ADCH0 bits in the ADC status
and control register before executing the WAIT instruction.
The ADC module is inactive after the execution of a STOP instruction.
Any pending conversion is aborted. ADC conversions resume when the
MCU exits stop mode after an external interrupt. Allow one conversion
cycle to stabilize the analog circuitry.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
Low Power Modes
(CONFIG).)
Configuration Register
MC68HC908GR8 — Rev 4.0
MOTOROLA
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