參數(shù)資料
型號: MC68HC05E16CFB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 16256 bytes of user ROM, 320bytes of EPROM and 352 bytes of RAM
中文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 37/96頁
文件大?。?/td> 3045K
代理商: MC68HC05E16CFB
Freescale
5-6
MC68HC05SR3
RESETS AND INTERRUPTS
5
Figure 5-3 External Interrupt
+
&
EXTERNAL
REQUEST
INTERRUPT
POWER-ON RESET
EXTERNAL RESET
EXTERNAL INTERRUPT
BEING SERVICED (IRQ ONLY)
D
C
R
Q
VDD
INTO BIT
I-BIT (CCR)
IRQ
tILIH
tILIL
EDGE SENSITIVE TRIGGER
CONDITION
The minimum pulse width tILIH is either
125ns (VDD=5V) or 250ns (VDD=3V).
The period tILIL should not be less than
the number of tcyc cycles it takes to ex-
ecute the interrupt service routine plus
21 tCYC cycles.
tILIH
Wired ORed
Interrupt signals
IRQ
if after servicing an interrupt the
external interrupt pin (IRQ) remains
low, then the next interrupt is
recognized. Normally used with pull-up
resistors for wired-OR connection.
(b) Interrupt Mode Diagram
(a) Interrupt Function Diagram
LEVEL SENSITIVE TRIGGER
CONDITION
+
&
IRQ
100K
VDD
TPG
40
05SR3.Book Page 6 Thursday, August 4, 2005 1:08 PM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC05E16CFU 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16256 bytes of user ROM, 320bytes of EPROM and 352 bytes of RAM
MC68HC05E16FB 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16256 bytes of user ROM, 320bytes of EPROM and 352 bytes of RAM
MC68HC05E16FU 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16256 bytes of user ROM, 320bytes of EPROM and 352 bytes of RAM
MC68HC05E5 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification
MC68HC05E5DW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification