P1021NXE2HFB datasheet, PDF - EEWORLD Datasheet

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P1021NXE2HFB: DescriptionIC MPU Q OR IQ 800MHZ 689TEBGA; CategoryThe embedded processor and controller Microcontrollers and processors; File Size316KB，3 Pages; ManufacturerNXP; Websitehttps://www.nxp.com; Environmental Compliance

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IC MPU Q OR IQ 800MHZ 689TEBGA

P1021NXE2HFB Parametric

Parameter Name	Attribute value
Brand Name	Freescale
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	NXP
Parts packaging code	BGA
package instruction	31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, WBTEBGAII-689
Contacts	689
Reach Compliance Code	compliant
ECCN code	5A002.A
Address bus width
bit size	32
boundary scan	YES
maximum clock frequency	100 MHz
External data bus width
Format	FIXED POINT
Integrated cache	YES
JESD-30 code	S-PBGA-B689
JESD-609 code	e2
length	31 mm
low power mode	YES
Humidity sensitivity level	3
Number of terminals	689
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	BGA
Package shape	SQUARE
Package form	GRID ARRAY
Peak Reflow Temperature (Celsius)	260
Maximum seat height	2.46 mm
speed	800 MHz
Maximum supply voltage	1.05 V
Minimum supply voltage	0.95 V
Nominal supply voltage	1 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Tin/Silver (Sn/Ag)
Terminal form	BALL
Terminal pitch	1 mm
Terminal location	BOTTOM
Maximum time at peak reflow temperature	40
width	31 mm
uPs/uCs/peripheral integrated circuit type	MICROPROCESSOR, RISC

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Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, C-Ware, t

he Energy Efficient Solutions logo, mobileGT, PowerQUICC, QorIQ, StarCore and Symphony

are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. BeeKit, BeeStack,

ColdFire+, CoreNet, Flexis, Kinetis, MXC, Platform in a Package, Processor Expert, QorIQ

Qonverge, Qorivva, QUICC Engine, SMARTMOS, TurboLink, VortiQa and Xtrinsic are trademarks

of Freescale Semiconductor, Inc. All other product or service names are the property

Title:

Duplicate edge-triggered interrupt after priority re-arbitration.

Description:

There is an occurrence of duplicate interrupt when an edge-triggered interrupt higher in priority comes closely to any other enabled interrupts. The following

is the sequence of events that leads to the duplicate edge-triggered interrupt::

•

1. An active interrupt is waiting for acknowledgement

2. An edge-triggered interrupt of higher priority triggers closely to the lower priority interrupt just when it is acknowledged

3. The higher priority edge-triggered interrupt supersedes and fires a new interrupt to the core

4. The core acknowledges the higher priority interrupt without clearing the pending state and finishes the interrupt service routine with EOI

5. A duplicate of the higher priority edge-triggered interrupt is triggered because of the uncleared pending state

Impact:

Enabling any edge-triggered interrupts higher in priority than other enabled interrupts may lead to the duplicate edge-triggered interrupt. This includes

edge-triggered IRQs, global timers and IPI.

Workaround:

Chose one of the following workarounds based on the interrupt type:

• Configure the higher priority interrupts as level-sensitive only

a. In case of IRQs this can be configured in the Vector/Priority Register.

b. It is not an option for global timers or IPI.

• Any enabled edge-triggered interrupts must be no higher in priority than the other enabled interrupts.

Resolution:

No plan to fix

Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, C-Ware, the Energy Efficient Solutions logo, mobileGT, PowerQUICC, QorIQ, StarCore

and Symphony are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. BeeKit, BeeStack, ColdFire+, CoreNet, Flexis, Kinetis, MXC, Platform in a

Package, Processor Expert, QorIQ Qonverge, Qorivva, QUICC Engine, SMARTMOS, TurboLink, VortiQa and Xtrinsic are trademarks of Freescale Semiconductor, Inc.

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