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MT7697 Datasheet(PDF) 52 Page - List of Unclassifed Manufacturers

Part # MT7697
Description  MT7697 is a highly integrated single chip which features an application processor
PDF  81 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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MT7697 Datasheet(HTML) 52 Page - List of Unclassifed Manufacturers

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MT7697
Internet-of-Things Wireless Connectivity
© 2016 MediaTek Inc.
Page 52 of 81
This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s).
Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.
2.6.5
CIRQ
N9 subsystem uses the interrupt controller CIRQ to control the source selection, mask, edge/level
sensitivity, and software enabling for internal interrupts, as well as the mask and the edge/level
sensitivity for external interrupts.
CIRQ also integrates the de-bounce circuit for external interrupts.
FIQ control
IRQ contro
Interrupt
select
Control register
External
interrupt
control
De-bounce
De-bounce
De-bounce
Figure 2-22. N9 interrupt controller
2.6.5.1
Interrupt sources
The tables below lists the interrupt sources of internal and external interrupts.
There are totally 23 interrupts and 14 external interrupts.
The power domain/subsystem lists the power domain and the subsystem from which the interrupt is
generated.
IRQ
No.
Interrupt
source
Power domain
/subsystem
External
interrupt
Wake-up
capability
(1)
De-
bounce
Description
INT0
UART
TOP_OFF(N9)/MCUSY
S
UART/BTIF module
INT1
DMA
TOP_OFF(N9)/MCUSY
S
Generic DMA in N9 subsystem
INT2
HIFSYS
TOP_AON/HIF
WIFI_HIF(SDIO)
INT3
BT_TIMCON
TOP_AON/BTSYS
Bluetooth TIMCON module
INT4
THERM
TOP_OFF(N9)
Thermometer
INT5
(Reserved)
INT6
WIFI
WF_OFF
Wi-Fi subsystem
INT7
ICAP
TOP_OFF(N9)/MCUSY
S
Internal capture in RBIST module



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