EM250-DEV Ember, EM250-DEV Datasheet - Page 5

• Manufacturer Part Number: EM250-DEV
• Description: KIT DEV FOR EM250
• Manufacturer: Ember
• Series: InSightr
• Type: 802.15.4/Zigbeer

Specifications of EM250-DEV

• Frequency: 2.4GHz
• For Use With/related Products: EM250
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 636-1002

Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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
VDD_PADSA
nRESET
OSC32B
OSC32A
VREG_OUT
VDD_PADS
VDD_CORE
GPIO11
nCTS
MCLK
TMR2IA.1
GPIO12
nRTS
TMR2IB.1
Direction Description
Power
Power
I/O
I/O
Power
O
O
Power
I
Power
O
Power
I
I/O
I/O
Power
Power
Power
I/O
I
O
I
I/O
O
I
1.8V high-frequency oscillator supply
1.8V VCO supply
Differential (with RF_N) receiver input/transmitter output
Differential (with RF_P) receiver input/transmitter output
1.8V RF supply (LNA and PA)
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)
Bias setting resistor
Analog pad supply (1.8V)
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.)
Analog pad supply (1.8V)
Active low chip reset (internal pull-up)
32.768kHz crystal oscillator or left open when using external clock on OSC32A
32.768kHz crystal oscillator or digital clock input
Regulator output (1.8V)
Pads supply (2.1-3.6V)
1.8V digital core supply
Digital I/O
Enable GPIO11 with
UART CTS handshake of Serial Controller SC1
Enable SC1-4A with
SPI master clock of Serial Controller SC1
Enable SC1-3M with
SC1_SPICFG[4]
Capture Input A of Timer 2
Enable CAP2-0 with
Digital I/O
Enable GPIO12 with
UART RTS handshake of Serial Controller SC1
Enable SC1-4A with
Capture Input B for Timer 2
Enable CAP2-0 with
Table 1. Pin Descriptions
GPIO_CFG[7:4]
GPIO_CFG[7:4]
GPIO_CFG[7:4]
GPIO_CFG[7:4]
GPIO_CFG[7:4]
GPIO_CFG[7:4]
GPIO_CFG[7:4]
, select UART with
, select UART with
, select SPI with
SC1_MODE
SC1_MODE
SC1_MODE
, enable master with
120-0082-000I
EM250
5