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| 型号： | 71M6511H-IGT |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64 |
| 封装： | LQFP-64 |
| 文件页数： | 27/98页 |
| 文件大小： | 1278K |
| 代理商： | 71M6511H-IGT |
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71M6511/71M6511H
Single-Phase Energy Meter IC
DATA SHEET
NOVEMBER 2010
Page: 33 of 98
2005–2010 Teridian Semiconductor Corporation
V2.7
A Maxim Integrated Products Brand
XFER_BUSY and RTC_1SEC, which are OR-ed together, have their own enable and flag bits in addition to the interrupt 6
enable and flag bits (see Table 45), and these interrupts must be cleared by the MPU software.
External
Interrupt
Connection
Polarity
Flag Reset
0
Digital I/O High Priority
see DIO_Rx
automatic
1
Digital I/O Low Priority
see DIO_Rx
automatic
2
Comparator 2 or 3
falling
automatic
3
CE_BUSY
falling
automatic
4
Comparator 2 or 3
rising
automatic
5
EEPROM busy
falling
automatic
6
XFER_BUSY OR RTC_1SEC
falling
manual
Table 44: External MPU Interrupts
Interrupt 6 is edge-sensitive. The RTC_1SEC interrupt from the RTC and the XFER_BUSY interrupt from the CE are com-
bined using a logic OR function and the result is routed into interrupt 6. Therefore, both flags must be cleared at least once
during initialization, and both flags must always be cleared before exiting the interrupt service routine (ISR) for interrupt 6.
Note 1: If clearing of both flags is not performed, then no edge can occur to trigger interrupt 6 later resulting in the ISR for the
XFER_BUSY ceasing to run.
Note 2: Clearing both flags reliably requires some care. Either flag can be set by hardware while interrupt 6 code is running on
behalf of the other interrupt. In this situation, the unprocessed interrupt can create a lockout condition similar to the one in note
1. To prevent this lockout one must always process both interrupt flags in the same service routine.
Note 3: After a reset from an in-circuit emulator, the IE_XFER flag may not be cleared because the CE may continue to run.
The flags for the RTC_1SEC and the XFER_BUSY interrupts are located in the WDI SFR (address 0xE8).
Enable Bit
Description
Flag Bit
Description
EX0
Enable external interrupt 0
IE0
External interrupt 0 flag
EX1
Enable external interrupt 1
IE1
External interrupt 1 flag
EX2
Enable external interrupt 2
IEX2
External interrupt 2 flag
EX3
Enable external interrupt 3
IEX3
External interrupt 3 flag
EX4
Enable external interrupt 4
IEX4
External interrupt 4 flag
EX5
Enable external interrupt 5
IEX5
External interrupt 5 flag
EX6
Enable external interrupt 6
IEX6
External interrupt 6 flag
EX_XFER
Enable XFER_BUSY interrupt
IE_XFER
XFER_BUSY interrupt flag
EX_RTC
Enable RTC_1SEC interrupt
IE_RTC
RTC_1SEC interrupt flag
Table 45: Control Bits for External Interrupts
相关PDF资料 |
PDF描述 |
|---|---|
| 71M6511H-IGTR | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64 |
| 71M6521DE-IGTR/F | SPECIALTY ANALOG CIRCUIT, QFP64 |
| 71M6521DE-IM/F | SPECIALTY ANALOG CIRCUIT, QCC68 |
| 71M6521FE-IMR/F | SPECIALTY ANALOG CIRCUIT, QCC68 |
| 71M6521DE-IGT/F | SPECIALTY ANALOG CIRCUIT, QFP64 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6511H-IGT/F | 功能描述:计量片上系统 - SoC Highly Integrated SoC w/MCU Core RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6511H-IGTR | 制造商:Maxim Integrated Products 功能描述:RESID. HI PRECISION METR (1P, .1%) - Tape and Reel |
| 71M6511H-IGTR/F | 功能描述:计量片上系统 - SoC Highly Integrated SoC w/MCU Core RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6511-IGT | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Single-Phase Energy Meter IC |
| 71M6511-IGT/F | 功能描述:计量片上系统 - SoC Highly Integrated SoC w/MCU Core RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
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