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| 型号： | 73M1903C-IM/F |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/48页 |
| 文件大小： | 0K |
| 描述： | IC MODEM AFE MULTIREGIONAL 32QFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 490 |
| 通道数： | 2 |
| 电压 - 电源，模拟： | 3 V ~ 3.6 V |
| 电压 - 电源，数字： | 3 V ~ 3.6 V |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN（5x5） |
| 包装： | 管件 |
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DS_1903C_033
73M1903C Data Sheet
Rev. 5.0
15
4
GPIO Registers
The 73M1903C provides 8 user definable I/O pins. Each pin is programmed separately as either an input
or an output by a bit in a direction register. If the bit in the direction register is set high, the corresponding
pin is an input whose value is read from the GPIO data register. If it is low, the pin will be treated as an
output whose value is set by the GPIO data register.
To avoid unwanted current contention and consumption in the system from the GPIO port before the
GPIO is configured after a reset, the GPIO port I/Os are initialized to a high impedance state. The input
structures are protected from floating inputs, and no output levels are driven by any of the GPIO pins.
The GPIO pins are configured as inputs or outputs when the host controller (or DSP) writes to the GPIO
direction register. The GPIO direction and data registers are initialized to all ones (FFh) upon reset.
Register02 (DATA): Address 02h
Reset State FFh
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
GPIO7
GPIO6
GPIO5
GPIO4
GPIO3
GPIO2
GPIO1
GPIO0
GPIO(7:0)
(0X02[7:0])
Bits in this register will be asserted on the GPIO(7:0) pins if the
corresponding direction register bit is a 0. Reading this address will return data reflecting
the values of pins GPIO(7:0).
Register03 (DIR): Address 03h
Reset State FFh
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
DIR7
DIR6
DIR5
DIR4
DIR3
DIR2
DIR1
DIR0
DIR(7:0)
(0X03[7:0])
This register is used to designate the GPIO pins as either inputs or
outputs. If the register bit is reset to 0, the corresponding GPIO pin is programmed as an
output. If the register bit is set to a 1, the corresponding pin will be configured as an input.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 73M1903C-IMR/F | 功能描述:电信线路管理 IC Modem Analog Front End RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| 73M1903C-IMR/F1 | 功能描述:电信线路管理 IC RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| 73M1903-EVM-600 | 功能描述:网络开发工具 73M1903 w/Ppu & 600 Ohm Term-Usa & Japan RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| 73M1903-EVM-ETSI | 功能描述:网络开发工具 73M1903 w/Etsi 203 Complex Imped. Term RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| 73M1903-EVM-WW | 功能描述:BOARD DEMO 73M1903 PPU WORLDWIDE RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 主要目的:电源管理，电池充电器 嵌入式:否 已用 IC / 零件:MAX8903A 主要属性:1 芯锂离子电池 次要属性:状态 LED 已供物品:板 |
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