EM250
Table 1. Pin Descriptions
Pin #
1
2
3
4
5
6
7
8
9
10
11
Signal
VDD_24MHZ
VDD_VCO
RF_P
RF_N
VDD_RF
RF_TX_ALT_P
RF_TX_ALT_N
VDD_IF
BIAS_R
VDD_PADSA
TX_ACTIVE
Direction
Power
Power
I/O
I/O
Power
O
O
Power
I
Power
O
Description
1.8V high-frequency oscillator supply; should be connected to VREG_OUT
1.8V VCO supply; should be connected to VREG_OUT
Differential (with RF_N) receiver input/transmitter output
Differential (with RF_P) receiver input/transmitter output
1.8V RF supply (LNA and PA); should be connected to VREG_OUT
Differential (with RF_TX_ALT_N) transmitter output (optional)
Differential (with RF_TX_ALT_P) transmitter output (optional)
1.8V IF supply (mixers and filters); should be connected to VREG_OUT
Bias setting resistor
Analog pad supply (1.8V); should be connected to VREG_OUT
Logic-level control for external RX/TX switch
The EM250 baseband controls TX_ACTIVE and drives it high (1.8V) when in TX mode.
(Refer to Table 6 and section 4.2.2.)
12
13
14
VDD_PADSA
nRESET
OSC32B
Power
I
I/O
Analog pad supply (1.8V); should be connected to VREG_OUT
Active low chip reset (internal pull-up)
32.768kHz crystal oscillator. This pin should be left open when using external clock on
OSC32A or when using the internal RC Oscillator
15
16
17
18
19
OSC32A
VREG_OUT
VDD_PADS
VDD_CORE
GPIO11
I/O
Power
Power
Power
I/O
32.768kHz crystal oscillator or digital clock input. This pin can be left open when using
the internal RC Oscillator.
Regulator output (1.8V)
Pads supply (2.1-3.6V)
1.8V digital core supply; should be connected to VREG_OUT
Digital I/O
Enable GPIO11 with GPIO_CFG[7:4]
nCTS
MCLK
TMR2IA.1
I
O
I
UART CTS handshake of Serial Controller SC1
Enable SC1-4A with GPIO_CFG[7:4] , select UART with SC1_MODE
SPI master clock of Serial Controller SC1
Enable SC1-3M with GPIO_CFG[7:4] , select SPI with SC1_MODE , enable master with
SC1_SPICFG[4]
Capture Input A of Timer 2
Enable CAP2-0 with GPIO_CFG[7:4]
20
GPIO12
I/O
Digital I/O
Enable GPIO12 with GPIO_CFG[7:4]
nRTS
TMR2IB.1
O
I
UART RTS handshake of Serial Controller SC1
Enable SC1-4A with GPIO_CFG[7:4] , select UART with SC1_MODE
Capture Input B for Timer 2
Enable CAP2-0 with GPIO_CFG[7:4]
21
GPIO0
I/O
Digital I/O
Enable GPIO0 with GPIO_CFG[7:4]
Page 5
120-0082-000V Rev 1.1
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相关代理商/技术参数
EM250-COMP-XIDE 制造商:Silicon Laboratories Inc 功能描述:COMPILER XIDE FOR EM250 1SEAT
EM250-DEV 功能描述:KIT DEV FOR EM250 RoHS:否 类别:RF/IF 和 RFID >> RF 评估和开发套件,板 系列:InSight 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
EM250-EK-R 功能描述:KIT EVAL EM250 RF TEST RoHS:是 类别:RF/IF 和 RFID >> 过时/停产零件编号 系列:InSight 标准包装:1 系列:- 类型:用于 200/300 系列的欧盟开发套件 适用于相关产品:Zensys RF 模块 所含物品:开发板,模块,编程器,软件,线缆,电源 其它名称:703-1019Q3225667
EM250-JMP-R 功能描述:KIT JUMP START FOR EM250 RoHS:否 类别:RF/IF 和 RFID >> RF 评估和开发套件,板 系列:JumpStart 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
EM250-RCM-R 功能描述:EM250 RCM BOARD RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件,板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
EM250-RTR 功能描述:IC ZIGBEE SYSTEM-ON-CHIP 48-QFN RoHS:是 类别:RF/IF 和 RFID >> RF 收发器 系列:EM250 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:30 系列:- 频率:4.9GHz ~ 5.9GHz 数据传输率 - 最大:54Mbps 调制或协议:* 应用:* 功率 - 输出:-3dBm 灵敏度:- 电源电压:2.7 V ~ 3.6 V 电流 - 接收:* 电流 - 传输:* 数据接口:PCB,表面贴装 存储容量:- 天线连接器:PCB,表面贴装 工作温度:-25°C ~ 85°C 封装/外壳:68-TQFN 裸露焊盘 包装:管件
EM250-STACK-R 制造商:Silicon Laboratories Inc 功能描述:EM250 BOARD STACK (RCM + BREAKOUT) - Boxed Product (Development Kits) 制造商:Silicon Laboratories Inc 功能描述:BOARD STACK EM250 RCM & BREAKOUT
EM25-12V-DC 制造商:ECLIPSE MAGNETICS 功能描述:HOLDING ELECTRO MAGNET