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參數資料
| 型號： | 71M6521DE-IM/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC68 |
| 封裝： | LEAD FREE, LQFN-68 |
| 文件頁數： | 3/103頁 |
| 文件大小： | 1691K |
| 代理商： | 71M6521DE-IM/F |
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71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
Page: 100 of 103
2005-2010 Teridian Semiconductor Corporation
v1.1
A Maxim Integrated Products Brand
19-5370; 10/10
Digital Pins:
Name
Type
Circuit
Description
COM3,
COM2,
COM1,
COM0
O
5
LCD common outputs: These 4 pins provide the select signals for the LCD display.
SEG0…SEG18
O
5
Dedicated LCD segment output pins.
SEG24/DIO4…
SEG31/DIO11
I/O
3, 4, 5
Multi-use pins, configurable as either LCD SEG driver or DIO. (DIO4 = SCK, DIO5 =
SDA when configured as EEPROM interface, WPULSE = DIO6, VARPULSE = DIO7
when configured as pulse outputs). If unused, these pins must be configured as
outputs.
SEG34/DIO14…
SEG37/DIO17
I/O
3, 4, 5
Multi-use pins, configurable as either LCD SEG driver or DIO. If unused, these
pins must be configured as outputs.
SEG39/DIO19…
SEG41/DIO21
I/O
3, 4, 5
Multi-use pins, configurable as LCD driver or DIO (QFN 68 package only). If un-
used, these pins must be configured as outputs.
E_RXTX/SEG38
E_RST/SEG32
I/O
1, 4, 5
Multi-use pins, configurable as either emulator port pins (when ICE_E pulled high) or
LCD SEG drivers (when ICE_E tied to GND).
E_TCLK/SEG33
O
4, 5
ICE_E
I
2
ICE enable. When zero, E_RST, E_TCLK, and E_RXTX become SEG32, SEG33,
and SEG38 respectively. For production units, this pin should be pulled to GND to
disable the emulator port. This pin should be brought out to the programming inter-
face in order to create a way for reprogramming parts that have the SECURE bit set.
CKTEST/SEG19
O
4, 5
Multi-use pin, configurable as either Clock PLL output or LCD segment driver. Can
be enabled and disabled by CKOUT_EN.
TMUXOUT
O
4
Digital output test multiplexer. Controlled by TMUX[4:0].
OPT_RX/DIO1
I/O
3, 4, 7
Multi-use pin, configurable as Optical Receive Input or general DIO. When con-
figured as OPT_RX, this pin receives a signal from an external photo-detector used
in an IR serial interface. If unused, this pin must be configured as an output or
terminated to V3P3D or GNDD.
OPT_TX/DIO2
I/O
3, 4
Multi-use pin, configurable as Optical LED Transmit Output, WPULSE, RPULSE, or
general DIO. When configured as OPT_TX, this pin is capable of directly driving an
LED for transmitting data in an IR serial interface. If unused, this pin must be
configured as an output or terminated to V3P3D or GNDD.
DIO3
I/O
3, 4
DIO pin (QFN 68 package only)
RESET
I
3
This input pin resets the chip into a known state. For normal operation, this pin is
connected to GNDD. To reset the chip, this pin should be pulled high. No external
reset circuitry is necessary.
RX
I
3
UART input. If unused, this pin must be terminated to V3P3D or GNDD.
TX
O
4
UART output.
TEST
I
7
Enables Production Test. Must be grounded in normal operation.
PB
I
3
Push button input. A rising edge sets the IE_PB flag and causes the part to wake up
if it is in SLEEP or LCD mode. PB does not have an internal pull-up or pull-down. If
unused, this pin must be terminated to GNDD.
X4MHZ
I
3
This pin must be connected to GNDD.
Pin types: P = Power, O = Output, I = Input, I/O = Input/Output
The circuit number denotes the equivalent circuit, as specified on the following page.
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| 71M6521FE-IMR/F | SPECIALTY ANALOG CIRCUIT, QCC68 |
| 71M6521DE-IGT/F | SPECIALTY ANALOG CIRCUIT, QFP64 |
| 71M6521FE-IGTR/F | SPECIALTY ANALOG CIRCUIT, QFP64 |
| 71M6521DE-IMR/F | SPECIALTY ANALOG CIRCUIT, QCC68 |
| 71M6521FE-IM/F | SPECIALTY ANALOG CIRCUIT, QCC68 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 71M6521DE-IMR/F | 功能描述:計量片上系統 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數據 RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數量:12 片上 ADC: 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6521DH | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Energy Meter ICs |
| 71M6521DH-IGT/F | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Energy Meter ICs |
| 71M6521DH-IGTR/F | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Energy Meter ICs |
| 71M6521FE | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Energy Meter IC |
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