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參數(shù)資料
| 型號(hào)： | HC05 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Bipolar Transistor; Transistor Polarity:Dual P Channel; Power Dissipation:20W; DC Current Gain Min (hfe):25; Collector Current:1A; DC Current Gain Max (hfe):200; Power (Ptot):20W |
| 中文描述： | 高密度互補(bǔ)金屬氧化物半導(dǎo)體（HCMOS）微控制器 |
| 文件頁(yè)數(shù)： | 146/232頁(yè) |
| 文件大?。?/td> | 1095K |
| 代理商： | HC05 |
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MOTOROLA
10-12
MC68HC05X16
Rev. 1
RESETS AND INTERRUPTS
10
Error IRQ:
this is set when either the error status or bus status bits in the MCAN status register
change state (see
Section 5.3.3
).
Data overrun: an incoming message on the bus cannot be received because both receive buffers
are tied up.
Wake-up IRQ: this signals activity on the bus while the MCAN is in SLEEP mode. This is the only
nonmaskable CIRQ.
CIRQ interrupts are serviced by the routine located at the address specified by the contents of
$3FF0 and $3FF1.
10.2.3.4
Timer interrupts
There are five different timer interrupt flags (ICF1, ICF2, OCF1, OCF2 and TOF) that will cause a
timer interrupt whenever they are set and enabled. These five interrupt flags are found in the five
most significant bits of the timer status register (TSR) at location $0013. ICF1 and ICF2 will vector
to the service routine defined by $3FF8-$3FF9, OCF1 and OCF2 will vector to the service routine
defined by $3FF6–$3FF7 and TOF will vector to the service routine defined by $3FF4–$3FF5 as
shown in
Figure 6-1
.
There are three corresponding enable bits; ICIE for ICF1 and ICF2, OCIE for OCF1 and OCF2,
and TOIE for TOF. These enable bits are located in the timer control register (TCR) at address
$0012. See
Section 6.2.1
and
Section 6.2.2
for further information.
10.2.3.5
Serial communications interface (SCI) interrupts
There are five different interrupt flags (TDRE, TC, OR, RDRF and IDLE) that cause SCI interrupts
whenever they are set and enabled. These five interrupt flags are found in the five most significant
bits of the SCI status register (SCSR) at location $0010.
There are four corresponding enable bits: TIE for TDRE, TCIE for TC, RIE for OR and RDRF, and
ILIE for IDLE. These enable bits are located in the serial communications control register 2
(SCCR2) at address $000F. See
Section 7.11.3
and
Section 7.11.4
.
The SCI interrupt causes the program counter to vector to the address pointed to by memory
locations $3FF2 and $3FF3 which contain the starting address of the interrupt service routine.
Software in the SCI interrupt service routine must determine the priority and cause of the interrupt
by examining the interrupt flags and the status bits located in the serial communications status
register SCSR (address $0010).
The general sequence for clearing an interrupt is a software sequence of accessing the serial
communications status register while the flag is set followed by a read or write of an associated
register. Refer to
Section 7
for a description of the SCI system and its interrupts.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HC0500 | 制造商:Alltrade Tools LLC 功能描述:4OZ CROSS PEIN HAMMER |
| HC0502 | 制造商:Alltrade Tools LLC 功能描述:12OZ CROSS PEIN HAMMER |
| HC0503 | 制造商:Alltrade Tools LLC 功能描述:HAMMER-BALL PEIN 4OZ |
| HC0504 | 制造商:Alltrade Tools LLC 功能描述:HAMMER-BALL PEIN 8OZ |
| HC0505 | 制造商:Alltrade Tools LLC 功能描述:HAMMER-BALL PEIN 1LB |
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