MC68HC705V12CFN MOTOROLA [Motorola, Inc], MC68HC705V12CFN Datasheet - Page 88

• Manufacturer Part Number: MC68HC705V12CFN
• Description: The Motorola microcontroller
• Manufacturer: MOTOROLA [Motorola, Inc]

Core Timer
Advance Information
88
8
E / 2
CTSCR
8
CTCR
DIVIDE
12
POR
/4
E/2
OVERFLOW
DETECT
CIRCUIT
10
CTOF
INTERRUPT CIRCUIT
TO INTERRUPT
$09 CORE TIMER COUNTER REGISTER (CTCR)
RTIF
and the RTI and CTOF enable bits and flags are located in the timer
control and status register at location $08.
LOGIC
E / 2
E / 2
TOFE
Figure 8-1. Core Timer Block Diagram
RTI SELECT CIRCUIT
9
14
E / 2
RTIE
5-BIT COUNTER
13
TOFC
E / 2
12
INTERNAL BUS
RTFC
Core Timer
E / 2
11
RT1
RT0
INTERNAL PERIPHERAL CLOCK (E)
$08
STATUS REGISTER
TIMER CONTROL &
E/2
2
COP WATCHDOG
TIMER ( 8)
TO RESET
MC68HC705V12
LOGIC
2
3
RTI
out
CLEAR
COP
MOTOROLA
—
Rev. 3.0