MC68HC908GR4 MOTOROLA [Motorola, Inc], MC68HC908GR4 Datasheet - Page 329

• Manufacturer Part Number: MC68HC908GR4
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Technical Data — MC68HC908GR8
21.1 Contents
21.2 Introduction
21.3 Features
MC68HC908GR8 — Rev 4.0
MOTOROLA
21.2
21.3
21.4
21.5
21.6
21.7
This section describes the timebase module (TBM). The TBM will
generate periodic interrupts at user selectable rates using a counter
clocked by the external crystal clock. This TBM version uses 15 divider
stages, eight of which are user selectable.
For further information regarding timers on M68HC08 family devices,
please consult the HC08 Timer Reference Manual, TIM08RM/AD.
Features of the TBM module include:
Freescale Semiconductor, Inc.
•
•
For More Information On This Product,
Software programmable 1 Hz, 4 Hz, 16 Hz, 256 Hz, 512 Hz, 1024
Hz, 2048 Hz, and 4096 Hz periodic interrupt using external 32.768
kHz crystal
User selectable oscillator clock source enable during stop mode to
allow periodic wakeup from stop
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Timebase Register Description. . . . . . . . . . . . . . . . . . . . . . . . 331
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333
Go to: www.freescale.com
Section 21. Timebase Module (TBM)
Timebase Module (TBM)
Technical Data
329