參數(shù)資料
型號: HC05J5GRS
英文描述: 68HC05J5 General Release Specification
中文描述: 68HC05J5一般版本規(guī)范
文件頁數(shù): 53/106頁
文件大?。?/td> 1366K
代理商: HC05J5GRS
July 16, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05J5A
REV 2.1
MULTI-FUNCTION TIMER
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
8-1
SECTION 8
MULTI-FUNCTION TIMER
The Multi-Function Timer module is a 15-stage ripple counter with Timer Over
Flow (TOF), Real Time Interrupt (RTI), COP Watchdog, and the Power-On Reset
delay function.
Figure 8-1. Multi-Function Timer Block Diagram
To Reset
Logic
COP
Clear
MC68HC05 Internal Bus
$09 TCR
7-bit counter
Interrupt Circuit
$08 TCSR
RTI Select Circuit
Overflow
Detect
Circuit
COP Watchdog
Resetable Timer
(÷8)
To Interrupt
Logic
8
8
f
op
/2
2
f
op
/2
10
POR
TCBP
TCSR
TCR
Internal
Timer Clock
(NTF1)
TOF
RTIF
TOFE RTIE
RT1
RT0
RTIFR
TOFR
Timer Control & Status Register
Timer Counter Register (TCR)
÷
4
f
op
/2
8
MUX
f
op
/2
12
÷2
14
÷2
15
÷2
17
÷2
16
OSCDLY
(mask option)
F
Freescale Semiconductor, Inc.
n
.
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