Timer Interface A (TIMA)

Addr.

Register Name

Bit 7

6

5

4

3

2

1

Bit 0

 

TIMA Status/Control Register

Read:

 

 

$000E

(TASC)

Write:

 

See page 226.

Reset:

 

 

 

TIMA Counter Register High

Read:

 

 

$000F

(TACNTH)

Write:

 

See page 227.

Reset:

 

 

 

TIMA Counter Register Low

Read:

 

 

$0010

(TACNTL)

Write:

 

See page 227.

Reset:

 

 

 

TIMA Counter Modulo

Read:

 

 

$0011

Register High (TAMODH)

Write:

 

See page 228.

Reset:

 

 

 

TIMA Counter Modulo

Read:

 

 

$0012

Register Low (TAMODL)

Write:

 

See page 228.

Reset:

 

 

 

TIMA Channel 0 Status/Control

Read:

 

 

$0013

Register (TASC0)

Write:

 

See page 229.

Reset:

 

 

 

TIMA Channel 0 Register High

Read:

 

 

$0014

(TACH0H)

Write:

 

See page 232.

Reset:

 

 

 

TIMA Channel 0 Register Low

Read:

 

 

$0015

(TACH0L)

Write:

 

See page 232.

Reset:

 

 

 

TIMA Channel 1 Status/Control

Read:

 

 

$0016

Register (TASC1)

Write:

 

See page 229.

Reset:

 

 

 

TIMA Channel 1 Register High

Read:

 

 

$0017

(TACH1H)

Write:

 

See page 232.

Reset:

 

 

 

TIMA Channel 1 Register Low

Read:

 

 

$0018

(TACH1L)

Write:

 

See page 232.

Reset:

 

 

 

TIMA Channel 2 Status/Control

Read:

 

 

$0019

Register (TASC2)

Write:

 

See page 229.

Reset:

 

 

TOF

TOIE

 

TSTOP

0

0

PS2

PS1

PS0

 

 

 

 

0

 

TRST

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

 

1

0

0

0

0

0

 

 

 

 

 

 

 

 

 

Bit 15

Bit 14

 

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

 

 

 

 

 

 

 

 

 

R

R

 

R

R

R

R

R

R

 

 

 

 

 

 

 

 

 

0

0

 

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

Bit 7

Bit 6

 

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

 

 

 

 

 

 

 

 

 

R

R

 

R

R

R

R

R

R

 

 

 

 

 

 

 

 

 

0

0

 

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

Bit 15

14

 

13

12

11

10

9

Bit 8

 

 

 

 

 

 

 

 

 

1

1

 

1

1

1

1

1

1

 

 

 

 

 

 

 

 

 

Bit 7

6

 

5

4

3

2

1

Bit 0

 

 

 

 

 

 

 

 

 

1

1

 

1

1

1

1

1

1

 

 

 

 

 

 

 

 

 

CH0F

CH0IE

 

MS0B

MS0A

ELS0B

ELS0A

TOV0

CH0MAX

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

 

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

Bit 15

14

 

13

12

11

10

9

Bit 8

 

 

 

 

 

 

 

 

 

 

 

 

 

Indeterminate after reset

 

 

 

 

 

 

 

 

 

 

 

 

Bit 7

6

 

5

4

3

2

1

Bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

Indeterminate after reset

 

 

 

 

 

 

 

 

 

 

 

 

CH1F

CH1IE

 

0

MS1A

ELS1B

ELS1A

TOV1

CH1MAX

 

 

 

0

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

 

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

Bit 15

14

 

13

12

11

10

9

Bit 8

 

 

 

 

 

 

 

 

 

 

 

 

 

Indeterminate after reset

 

 

 

 

 

 

 

 

 

 

 

 

Bit 7

6

 

5

4

3

2

1

Bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

Indeterminate after reset

 

 

 

 

 

 

 

 

 

 

 

 

CH2F

CH2IE

 

MS2B

MS2A

ELS2B

ELS2A

TOV2

CH2MAX

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

 

0

0

0

0

0

0

 

= Reserved

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 16-3. TIM I/O Register Summary

MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1

218

Freescale Semiconductor

Page 218
Image 218
Freescale Semiconductor MC68HC908MR32 manual TIM I/O Register Summary, Timer Interface a Tima Addr Register Name Bit

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.