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参数资料
| 型号： | MM54240N |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | Asynchronous Receiver/Transmitter Remote Controller |
| 中文描述： | 异步接收器/发射器遥控器 |
| 文件页数： | 4/10页 |
| 文件大小： | 187K |
| 代理商： | MM54240N |
Circuit Description
(Continued)
Slave Circuit Logic Flow Diagram
TL/F/10819–5
Specialized Output Options for Slave Circuits
C1
C2
Description
1
0
0
1
1
0
All 8 Pins are High Impedance Input Ports
All 8 Pins are Standard Low Impedance Output Ports
D1–D4 are Standard Low Impedance Output Ports
D5–D8 are High Impedance Input Ports
Logic ‘‘0’’ Outputs are Low Impedance Output Ports
Logic ‘‘1’’ Outputs are Weak Pull-Ups to V
DD
1
0
*
In this option, the slave data ports can be connected in a wired-OR configuration with open-col-
lector or open-drain outputs on the peripheral.
Master Circuit Logic Flow Diagram
TL/F/10819–6
Master Configuration State Chart
Status Register
Description
D2
D1
D0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Not Used
In Process of Transmitting to Slave during Write Slave Mode
Valid Data Received from Slave
Not Used
Awaiting Data from Slave during Read Slave Mode
In Process of Transmitting to Slave during Read Slave Mode
Invalid Data Received from Slave
*
Initialization/Idle Condition
*
This state is entered if address or parity do not match.
4
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| MM5450BN | 功能描述:IC DRIVER DISPLAY LED 40DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 显示器驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 显示器类型:真空荧光 (VF) 配置:5 x 7（矩阵） 接口:串行 数字或字符:- 电流 - 电源:3.5mA 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SSOP（0.154"，3.90mm 宽） 供应商设备封装:16-QSOP 包装:带卷 (TR) |
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