Datasheet > 82093AA

82093AA

更新时间： 2024-01-18 10:17:51

品牌	Logo	应用领域
英特尔 - INTEL		中断控制器
页数	文件大小	规格书
20页	179K
描述
I/O ADVANCED PROGRAMMABLE INTERRUPT CONTROLLER (IOAPIC)

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82093AA 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	QFP,	针数：	64
Reach Compliance Code：	unknown	风险等级：	5.83
外部数据总线宽度：	8	JESD-30 代码：	R-PQFP-G64
长度：	20 mm	外部中断装置数量：	24
端子数量：	64	封装主体材料：	PLASTIC/EPOXY
封装代码：	QFP	封装形状：	RECTANGULAR
封装形式：	FLATPACK	认证状态：	Not Qualified
座面最大高度：	3.4 mm	最大供电电压：	5.5 V
最小供电电压：	4.5 V	标称供电电压：	5 V
表面贴装：	YES	技术：	MOS
端子形式：	GULL WING	端子节距：	1 mm
端子位置：	QUAD	宽度：	14 mm
uPs/uCs/外围集成电路类型：	INTERRUPT CONTROLLER, MULTIPROCESSOR	Base Number Matches：	1

82093AA 数据手册

82093AA (IOAPIC)

Signal Name

Type

Description

INTIN2

Interrupt Input 2: This signal is connected to the redirection table entry 2. If

IRQ0 interrupt is available in hardware, it is connected to this pin.

INTIN[3:11,

14,15]

Interrupt Inputs 3 through 11, 14 and 15: These signals are connected to

the redirection table entries 3:11, 14 & 15. Typically, these signals are

connected to the ISA interrupts IRQ[3:7,8#,9:11,14:15] respectively.

INTIN12

INTIN13

Interrupt Input 12: This signal is connected to the redirection table entry 12.

Typically, this signal will be connected to the mouse interrupt (IRQ12/M).

Interrupt input 13: This signal is connected to the redirection table entry 13. If

IRQ13 interrupt is available in hardware, it is connected to this signal. If IRQ13

is not available, it is routed through the INTR interrupt and this signal becomes

INTIN13 (redirection table entry 13).

INTIN[16:19]

Interrupt inputs 16 through 19: These signals are connected to the

redirection table entries [16:19]. Typically, these signals are connected to the

PCI interrupts (PIRQ[0:3]). The steering of the PCI IRQs to the ISA IRQs is

accomplished in the IOAPIC by setting the PCI redirection table entry to the

correct ISA interrupt vector.

INTIN[20:21]

INTIN22

Interrupt inputs 20 and 21: These signals are connected to the redirection

table entries 20 and 21. Typically, these signals are connected to the

motherboard interrupts (MIRQ[0:1]). These pins could be used for the NMI and

INIT signals or just general purpose interrupts.

Interrupt input 22: This signal is connect to the redirection table entry 22.

This signal is a general purpose interrupt.

INTIN23/

SMI#

Interrupt input 23: This signal is connected to the redirection table entry 23.

This input has a special feature for the SMI# interrupt routing. If the Mask bit is

not set, the signal is a normal interrupt input that is sent over the APIC bus just

like all the other interrupts. When the Mask bit is set, the INTIN23/SMI# input

is routed through the IOAPIC to the SMIOUT# output signal.

SMIOUT#

SMI OUTPUT: This signal is an output in response to the SMI# input when

the MASK bit for the redirection table entry number 23 is set. If the MASK bit

is not set, the redirection table can be setup to deliver an SMI# over the APIC

bus.

2.5.

Test and Power Signals

Pin Name

Type

Description

TESTIN#

TEST INPUT: This active-low input is used to invoke test modes. TESTIN#

should be pulled high during normal operation.

VCC

GND

VCC POWER PIN: 5V ± 10%.

GROUND POWER PIN:

PRELIMINARY

1...4 5 678 9 10...20

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