Computime Limited CT-EM2506 ユーザーズマニュアル
CT-EM2506
ZigBee Ready RF Transceiver Modules
Computime Ltd. All rights reserved
Confidential
Page 4 of 16
4. Absolute
Maximum
Ratings
Parameter
Test Conditions
Min.
Max.
Unit
Regulator voltage (VDD_PADS)
- 0.3
3.6
V
Voltage on any GPIO[16:0], SIF_CLK,
SIF_MISO, SIF_MOSI, nSIF_LOAD, OSC32A,
OSC32B, nRESET
SIF_MISO, SIF_MOSI, nSIF_LOAD, OSC32A,
OSC32B, nRESET
-
0.3
VDD_PADS+
0.3
0.3
V
Storage temperature
- 40
+ 140
°C
Under no circumstances should the absolute maximum ratings given above be violated. Stress exceeding
one or more of the limiting values may cause permanent damage to the device.
one or more of the limiting values may cause permanent damage to the device.
5. Recommended
Operating
Conditions
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Regulator input voltage (VDD_PADS)
2.7
3.6
Core input voltage (VDD_24MHZ, VDD_VCO,
VDD_RF, VDD_IF, VDD_PADSA,
VDD_FLASH, VDD_PRE, VDD_SYNTH,
VDD_CORE)
VDD_RF, VDD_IF, VDD_PADSA,
VDD_FLASH, VDD_PRE, VDD_SYNTH,
VDD_CORE)
1.7
1.8
1.9
V
Temperature range
- 40
+ 85
°C
6. Electrical
Specifications
T = 25℃, VCC = 3.0V, fo = 2450Mhz, if nothing else stated.
Parameter
Parameter
Min.
Typ.
Max
Unit
Condition / Note
Operating frequency
2400
2483.5
MHz
Programmable in 5 MHz steps for
IEEE 802.15.4 compliance
IEEE 802.15.4 compliance
Number of channels
16
For IEEE 802.15.4 compliance
Channel spacing
5
MHz
For IEEE 802.15.4 compliance
Input/output impedance
50
Ohm
Data rate
250
kbit/s
DSSS chip rate
2
Mc/s
Frequency stability
+/-40
ppm
Transmit power
-15 20 dBm
Programmable
from
software