參數(shù)資料
型號(hào)： ADE7169ASTF16
廠商： ANALOG DEVICES INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
中文描述： ANALOG CIRCUIT, PQFP64
封裝： MS-026BCD, LQFP-64
文件頁(yè)數(shù)： 82/140頁(yè)
文件大?。?/td> 1359K
代理商： ADE7169ASTF16
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ADE7169F16
Preliminary Technical Data
INTERRUPT SYSTEM
The unique power management architecture of the
ADE7169F16 includes an operating mode where the 8052 MCU
core is shut down, PSM2. There are events that can be
configured to wake the 8052 MCU core from the PSM2
operating mode where the MCU core is shut down. A
distinction is drawn here between events that can trigger the
wakeup of the 8052 MCU core and events that can trigger an
interrupt when the MCU core is active. Events that can wake
the core are referred to as
wakeup events
while events that can
interrupt the program flow when the MCU is active are called
interrupts
. See the 3.3V Peripherals and Wakeup Events section
to learn more about events that can wake the 8052 core from
PSM2.
Rev. PrD | Page 82 of 140
The ADE7169F16 provides 12 interrupt sources with three
priority levels. The power management interrupt is alone at the
highest priority level. The other two priority levels are
configurable through the Interrupt priority SFR (IP, 0xB8) and
Interrupt Enable and Priority 2 SFR (IEIP2, 0xA9).
STANDARD 8051 INTERRUPT ARCHITECTURE
The 8051 standard interrupt architecture includes two tiers of
interrupts, where some interrupts are assigned a high priority
and others are assigned a low priority.
Priority 0
Priority 1
High
Low
Figure 60: Standard 8051 Interrupt Priority Levels
A Priority 1 interrupt can interrupt the service routine of a
Priority 0 interrupt, and if two interrupts of different priorities
occur at the same time, the Priority 1 interrupt is serviced first.
An interrupt cannot be interrupted by another interrupt of the
same priority level. If two interrupts of the same priority level
occur simultaneously, a polling sequence is observed. See the
Interrupt Priority section.
ADE7169F16 INTERRUPT ARCHITECTURE
The ADE7169F16 provides advanced power supply monitoring
features. To ensure a fast response to time critical power supply
issues, such as a loss of line power, the power supply monitoring
interrupt should be able to interrupt any interrupt service
routine. In order to enable the user to make full use of the
standard 8051 interrupt priority levels, an additional priority
level was added for the power supply management, PSM,
interrupt. The PSM interrupt is the only interrupt at this highest
interrupt priority level.
Priority 0
Priority 1
PSM
High
Low
Figure 61: ADE7169F16 Interrupt Architecture
See the Power Supply Monitor Interrupt (PSM) section for
more information on the PSM interrupt.
INTERRUPT SFR REGISTER LIST
The control and configuration of the interrupt system is carried out through three interrupt-related SFRs:
SFR
Address
Default
Value
Bit
Addressable
Description
IE
IP
IEIP2
0xA8
0xB8
0xA9
0x00
0x00
0xA0
Yes
Yes
No
Interrupt Enable Register
Interrupt Priority Register
Secondary Interrupt Enable
Register
WDCON
0xC0
0x10
Yes
Watchdog timer configuration
Table 62. Interrupt Enable SFR (IE, 0xA8)
Bit Location
Bit Addr.
7
0xAF
Bit Name
EA
Description
Set by the user to enable all interrupt sources.
Cleared by the user to disable all interrupt sources.
Set by the user to enable the temperature ADC interrupt.
Set by the user to enable the Timer 2 interrupt.
Set by the user to enable the UART serial port interrupt.
Set by the user to enable the Timer 1 interrupt.
Set by the user to enable External Interrupt 1 (INT1).
Set by the user to enable the Timer 0 interrupt.
6
5
4
3
2
1
0xAE
0xAD
0xAC
0xAB
0xAA
0xA9
ETEMP
ET2
ES
ET1
EX1
ET0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADE7169ASTF16-RL 制造商:AD 制造商全稱:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
ADE7169ASTZF16 功能描述:IC ENERGY METER 1PHASE 64LQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測(cè)量 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:*
ADE7169ASTZF16-RL 功能描述:IC ENERGY METER 1PHASE 64LQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測(cè)量 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:*
ADE7169F16 制造商:AD 制造商全稱:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
ADE75 制造商:AD 制造商全稱:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
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