ZBM (ZigBee H/W Module)

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ZBMÀº CC2420°ú Atmega128L·Î ±¸¼ºµÈ ZigBee ÇнÀ ¹× °³¹ß¿ë H/W Ç÷§ÆûÀÌ´Ù.

CC2420Àº TI¿¡¼­ °ø±ÞÇÏ´Â RFÆ®·£½Ã¹ö ĨÀ¸·Î¼­ IEEE 802.15.4 ±Ô°ÝÀ» ¸¸Á·ÇÏ´Â ¹«¼± ¼Û¼ö½Å

±â´ÉÀ» Á¦°øÇÑ´Ù. Atmega128LÀº ATMELÀÇ 8-bit RISC ¸¶ÀÌÄÞÀ¸·Î¼­ ±¹³»¿¡¼­ ´Ù¾çÇÏ°Ô È°¿ëµÇ°í ÀÖÀ¸¸ç »ç¿ëÀÚÀÇ ÀÔÀå¿¡¼­ ´Ù¸¥ ŸÀÔÀÇ ¸¶ÀÌÄÞ¿¡ ºñÇØ »ó´ëÀûÀ¸·Î Á¢±ÙÀÌ ¿ëÀÌÇÏ´Ù°í ÇÒ ¼ö ÀÖ´Ù. ZigBee °³¹ß¿ë Ç÷§ÆûÀº ÇöÀç ´Ù¾çÇÑ Á¦Ç°µéÀÌ ÀÖÁö¸¸ °¢±â »ó¿ëµÇ´Â RFĨÀÌ »óÀÌÇÏ°í ƯÈ÷ ¸¶ÀÌÄÞÀÌ ÀÓº£µðµå °³¹ßÀÚ¿¡°Ô Ä£¼÷ÇÏÁö ¾ÊÀº Á¦Ç°µéÀÌ ¸¹´Ù. µû¶ó¼­ ±Ø ¼Ò¼öÀÇ Àü¹®ÀûÀÎ °³¹ßÀÚ°¡ ¾Æ´Ñ ÀÏ¹Ý ÇлýÀ̳ª Ãʺ¸ÀÚÀÇ ÀÔÀå¿¡¼­´Â Á¢±ÙÇϱⰡ »ó´çÈ÷ ³­ÇØÇÑ °ü°è·Î Á¦Á¶»çÀÇ Ç³ºÎÇÑ ÀÚ·á¿Í ÅøÀ» È°¿ëÇÒ ¼ö ÀÖ´Â CC2420°ú Atmega128L·Î ZigBee ÇнÀ ¹× °³¹ß¿ë H/W Ç÷§ÆûÀÎ ZBMÀ» Á¦ÀÛÇÏ¿© ´©±¸³ª ½±°Ô »ç¿ëÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´´Ù.

 

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 Operating Conditions

 

Parameter

Min.

Max.

Units

Supply voltage

4.8

7.5

V

Operating ambient temperature range

-30

85

°C

 

 

 Electrical Specifications

 

Parameter

Min.

Typ.

Max.

Units

Overall

RF Frequency Range

2400

 

2483.5

MHz

Transmit Section

Transmit bit rate

250

 

250

kbps

Transmit chip rate

2000

 

2000

kChips/s

Nominal output power

-3

0

 

dBm

Programmable output power range

 

24

 

dB

Receive Section

Receiver Sensitivity

-90

 -94

 

dBm

Saturation (maximum input level)

0

10

 

dBm

Frequency error tolerance

-300

 

300

kHz

Symbol rate error tolerance

 

 

120

ppm

RSSI / Carrier Sense

Carrier sense level

 

-77

 

dBm

RSSI dynamic range

 

100

 

dB

RSSI accuracy

 

± 6

 

dB

RSSI linearity

 

± 3

 

dB

RSSI average time

 

128

 

µs

CC2420 Frequency  Section

Crystal oscillator frequency

 

16

 

MHz

Crystal frequency accuracy requirement

- 40

 

40

ppm

Atmega128L Frequency  Section

Crystal oscillator frequency

 

8

 

MHz

Crystal frequency accuracy requirement

- 100

 

100

ppm

Power Supply

Current Consumption, transmit mode:

P = 0 dBm

 

 

46

 

 

mA

Current Consumption, receive mode

 

49

 

mA

 

 

 Physical Properties

 

Parameter

Min.

Size

100 mm x 70 mm X 24mm (with battery holder)

Weight

46 / 92 g (without/with battery)

 

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