參數(shù)資料
型號(hào): MC68HC05C0FN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 4 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 52/96頁
文件大?。?/td> 357K
代理商: MC68HC05C0FN
Section 10: Multi-Function Timer
MOTOROLA
Page 47
MC68HC05C0 Specification Rev. 1.2
SECTION 10
MULTI-FUNCTION TIMER
10.1
INTRODUCTION
This timer is a 15-stage multi-function ripple counter. The features include Timer Over
Flow, Power-On Reset (POR), Real Time Interrupt, and COP Watchdog Timer.
Figure 10-1: Multi-Function Timer Block Diagram
COP
Clear
MC68HC05 Internal Bus
$09 TCR
7-bit counter
Interrupt Circuit
$08 TCSR
RTI Select Circuit
Overflow
Circuit
Detect
COP Watchdog
Timer (
÷8)
To Reset
Logic
To Interrupt
Logic
8
fop
fop/2
2
fop/2
10
STOP
TCBP
TCSR
TCR
Internal
Processor
Clock (E)
TOF
RTIF
TOFE RTIE
RT1
RT0
RTIFC
TOFC
Timer Control & Status Register
Timer Counter Register (TCR)
÷4
4064
POR
DA7
DA6
DA5
DA4
DA3
DA2
DA1
DA0
1024
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