參數(shù)資料
型號: MC68HC705JB4P
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 84/134頁
文件大?。?/td> 1305K
代理商: MC68HC705JB4P
February 24, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05JB4
MULTI-FUNCTION TIMER
MOTOROLA
REV 2
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), and COP Watchdog function.
Figure 8-1. Multi-Function Timer Block Diagram
RTI Select Circuit
Overflow
Circuit
Detect
88
fOP÷2
2
÷210
Internal
Timer Clock
(NTF1)
TOF
RTIF
TOFE
RTIE
RT1
RT0
RTIFR
TOFR
Timer Control & Status Register ($08)
Timer Counter Register ($09)
Interrupt Circuit
COP Watchdog
Resetable Timer
(÷8)
7-bit counter
MCU Internal Bus
to CPU interrupt
÷214
÷215
÷217
÷216
÷4
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