mc68hc05jb4p Freescale Semiconductor, Inc, mc68hc05jb4p Datasheet - Page 53

• Manufacturer Part Number: mc68hc05jb4p
• Description: Mc68hc705jb4 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC05JB4
REV 2
8
The Multi-Function Timer module is a 15-stage ripple counter with Timer Over
Flow (TOF), Real Time Interrupt (RTI), and COP Watchdog function.
8
÷2
Overflow
10
Detect
Circuit
TOF
Figure 8-1. Multi-Function Timer Block Diagram
Interrupt Circuit
to CPU interrupt
RTIF TOFE RTIE
Freescale Semiconductor, Inc.
÷2
Timer Control & Status Register ($08)
RTI Select Circuit
For More Information On This Product,
17
Timer Counter Register ($09)
MULTI-FUNCTION TIMER
÷2
16
Go to: www.freescale.com
MULTI-FUNCTION TIMER
÷2
7-bit counter
15
TOFR
February 24, 1999
SECTION 8
÷2
MCU Internal Bus
14
RTIFR
RT1
RT0
GENERAL RELEASE SPECIFICATION
f
OP
÷2
2
Resetable Timer
COP Watchdog
÷4
(÷8)
Internal
Timer Clock
(NTF1)