參數(shù)資料
型號: MC68HC05JB3JP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 98/148頁
文件大?。?/td> 1600K
代理商: MC68HC05JB3JP
November 5, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05JB3
MULTI-FUNCTION TIMER
MOTOROLA
REV 1
8-1
SECTION 8
MULTI-FUNCTION TIMER
The Multi-Function Timer (or Core Timer) module is a 15-stage ripple counter with
Timer Over Flow (CTOF), Real Time Interrupt (RTI), and COP Watchdog function.
Figure 8-1. Multi-Function Timer Block Diagram
COP Watchdog
RTI Select Circuit
Overflow
Circuit
Detect
88
fOP÷2
2
÷210
Internal
Timer Clock
(NTF1)
CTOF
RTIF CTOFE RTIE
RT1
RT0
RTIFR
CTOFR
Timer Control & Status Register ($08)
Timer Counter Register ($09)
Interrupt Circuit
Resetable Timer
(÷8)
7-bit counter
MCU Internal Bus
to CPU interrupt
÷214
÷215
÷217
÷216
÷4
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