MC68HC705CT4 Datasheet, PDF (80/152 Pages) Freescale Semiconductor, Inc – General Release Specification

Core Timer
Freescale Semiconductor, Inc.
88
CTCR
INTERNAL BUS
$09 CORE TIMER COUNTER REGISTER (CTCR)
INTERNAL PERIPHERAL CLOCK (E)
E/2²
COP
CLEAR
E/210
DIV _{E / 212}
÷4
5-BIT COUNTER
E / 217 E / 216 E / 215 E / 214
RTI SELECT CIRCUIT
POR
TCBP
OVERFLOW
DETECT
CIRCUIT
CTCSR
CTOF RTIF TOFE RTIE TOFC RTFC RT1
RTIOUT
TIMER CONTROL &
RT0 $08
STATUS REGISTER
INTERRUPT CIRCUIT
COP WATCHDOG
TIMER (÷ 8)
2³
TO INTERRUPT
LOGIC
TO RESET
LOGIC
Figure 10-1. Core Timer Block Diagram
General Release Specification
MC68HC705CT4 — Rev. 2.0
80
Core Timer
MOTOROLA
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