MC68HC05PV8 Datasheet, PDF (118/196 Pages) Freescale Semiconductor, Inc – Techinal Data - rev 1.9

Technical Data
Freescale Semiconductor, Inc.
RTI and TOF enable bits and flags are located in the timer status and
control register at location $08.
88
TCR
INTERNAL BUS
$9 TCR
Timer Counter Register (TCR)
f_op/2¹⁰
7-bit counter
8
f_op/2²
Internal
Processor
f_{op Clock}
÷4
COP
Clear
RTI Select Circuit
Overflow
Detect
Circuit
TCSR
$08 TCSR
Timer Control/Status Register
TOF RTIF TOFE RTIE RTOF RRTIF RT1 RT0
TCBP
POR
Interrupt Circuit
COP Watchdog
Timer (÷8)
To Interrupt
Logic
Figure 8-1 Core Timer Block Diagram
To Reset
Logic
Technical Data
MC68HC(8)05PV8/A — Rev. 1.9
Core Timer
For More Information On This Product,
Go to: www.freescale.com