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| 型号： | 78M6612-IM/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 15/46页 |
| 文件大小： | 0K |
| 描述： | IC POWER MEASUREMENT AC 68-QFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 260 |
| 系列： | * |
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DS_6612_001
Table 3: DIO_DIR Control Bit
DIO_DIR [n]
78M6612 Data Sheet
0
1
DIO Pin n Function
Input
Output
Additionally, if DIO6 and DIO7 are declared outputs, they can be configured as dedicated pulse outputs
(WPULSE = DIO6, VARPULSE = DIO7) using DIO_PW and DIO_PV registers. In this case, DIO6 and
DIO7 are under CE control. DIO4 and DIO5 can be configured to implement the EEPROM Interface.
If the optical UART is not used, TX1 and RX1 can be configured as dedicated DIO pins (DIO1, DIO2, see
A 3-bit configuration word, I/O RAM register, DIO_Rx (0x2009[2:0] through 0x200E[6:4]) can be used for
certain pins, when configured as DIO, to individually assign an internal resource such as an interrupt or a
timer control (see Table 2 for DIO pins available for this option). This way, DIO pins can be tracked even
if they are configured as outputs.
Tracking DIO pins configured as outputs is useful for pulse counting without external
hardware.
When driving LEDs, relay coils etc., the DIO pins should sink the current into ground (as
shown in Figure 3 , right), not source it from V3P3D (as shown in Figure 3 , left). This is due
to the resistance of the internal switch that connects V3P3D to either V3P3SYS or VBAT.
When configured as inputs, the dual-function (DIO/SEG) pins should not be pulled above
V3P3SYS in MISSION and above VBAT in LCD and BROWNOUT modes. Doing so will
distort the LCD waveforms of the other pins. This limitation applies to any pin that can be
configured as a LCD driver.
The control resources selectable for the DIO pins are listed in Table 4 . If more than one input is
connected to the same resource, the resources are combined using a logical OR.
78M6612
V3P3SYS
VBAT
T
V3P3D
D
DIO1
1
3.3V
R
LED
D
78M6612
V3P3SYS
VBA
T
V3P3D
D
DIO1
1
R
3.3V
LED
D
DGND
D
Not recommended
DGND
D
Recommended
Figure 3: Connecting an External Load to DIO Pins
Rev 2
15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 78M6612-IMR/F | 功能描述:计量片上系统 - SoC 2 Out Sgl Phase Pwr & Energy Msrmt IC 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 |
| 78M6612-IMR/F/P | 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE/TAPE & REEL - Tape and Reel |
| 78M6612-IMR/F/PD | 制造商:Maxim Integrated Products 功能描述:MXM78M6612-IMR/F/PD SINGLE PHASE DUAL OU |
| 78M6612-IMR/F/PD2 | 制造商:Maxim Integrated Products 功能描述:AC POWER MONITORING SOC-PROGRAMMED - Tape and Reel 制造商:Maxim Integrated Products 功能描述:MXM78M6612-IMR/F/PD2 AC POWER MONITORING |
| 78M6612-IMR/F/PD3 | 制造商:Maxim Integrated Products 功能描述:MXM78M6612-IMR/F/PD3 SINGLE-PHASE, DUAL- |
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