PTE3/TCLKA

TCLK

 

 

 

 

 

 

 

INTERNAL

PRESCALER

PRESCALER SELECT

 

 

 

BUS CLOCK

 

 

 

 

 

 

 

TSTOP

 

PS2

PS1

PS0

TRST

 

 

 

 

 

 

16-BIT COUNTER

 

 

TOF

 

 

 

 

 

 

 

 

TOIE

16-BIT COMPARATOR

 

 

 

 

TMODH:TMODL

 

 

 

Features

INTER-

RUPT

LOGIC

CHANNEL 0

16-BIT COMPARATOR

TCH0H:TCH0L

16-BIT LATCH

CHANNEL 1

16-BIT COMPARATOR

TCH1H:TCH1L

16-BIT LATCH

CHANNEL 2

16-BIT COMPARATOR

TCH2H:TCH2L

16-BIT LATCH

CHANNEL 3

16-BIT COMPARATOR

TCH3H:TCH3L

16-BIT LATCH

ELS0B

ELS0A

CH0F

MS0AMS0B

ELS1B

ELS1A

CH1F

MS1A

ELS2B ELS2A

CH2F

MS2AMS2B

ELS3B

ELS3A

CH3F

MS3A

TOV0

CH0MAX

CH0IE

TOV1

CH1MAX

CH1IE

TOV2

CH2MAX

CH2IE

TOV3

CH3MAX

CH3IE

PTE4 PTE4/TCH0A

LOGIC

INTER-

RUPT

LOGIC

PTE5 PTE5/TCH1A

LOGIC

INTER-

RUPT

LOGIC

PTE6 PTE6/TCH2A

LOGIC

INTER-

RUPT

LOGIC

PTE7 PTE7/TCH3A

LOGIC

INTER-

RUPT

LOGIC

Figure 16-2. TIMA Block Diagram

MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1

Freescale Semiconductor

217

Page 216 Page 218
Page 217
Image 217
Freescale Semiconductor MC68HC908MR16, MC68HC908MR32 manual Tima Block Diagram
Page 216 Page 218

MC68HC908MR16, MC68HC908MR32 specifications

Freescale Semiconductor's MC68HC908MR32 and MC68HC908MR16 microcontrollers are part of the popular HC08 family, designed primarily for embedded applications. These microcontrollers are particularly favored in automotive, industrial, and consumer product sectors due to their reliability and versatility.

One of the standout features of the MC68HC908MR series is its CMOS technology, which enhances performance while minimizing power consumption. This makes these microcontrollers suitable for battery-operated devices. They operate at a maximum clock frequency of 2 MHz and offer a 16-bit architecture, providing a solid balance between processing power and efficiency.

The MC68HC908MR32 variant is equipped with 32KB of flash memory, which allows for the storage of complex programs and extensive data handling. In contrast, the MC68HC908MR16 features 16KB of flash memory, making it ideal for simpler applications. Both microcontrollers also come with 1KB of RAM, enabling efficient data processing and real-time operations.

Another significant characteristic of these microcontrollers is their integrated peripherals. They come with multiple input/output (I/O) pins, which allow for connectivity with various sensors and actuators. The built-in timer systems offer precise timing control for automotive and industrial applications, while the Analog-to-Digital Converter (ADC) provides essential conversion capabilities for various analog signals.

For communication purposes, the MC68HC908MR series includes a serial communication interface, enabling easy integration with other devices and systems. This versatility facilitates the development of complex systems that require interaction with external components.

Security is another crucial aspect of these microcontrollers. They have built-in fail-safe mechanisms to ensure reliable operation under various conditions, making them suitable for critical systems. Additionally, their robust architecture helps to safeguard against potential disruptions or attacks.

In summary, Freescale Semiconductor's MC68HC908MR32 and MC68HC908MR16 microcontrollers are key players in the embedded systems landscape. Their blend of power efficiency, integrated features, and scalability ensures they remain relevant for a wide array of applications, making them a favored choice among engineers and developers looking for dependable solutions in a competitive market.
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