20-101-1221 Rabbit Semiconductor, 20-101-1221 Datasheet - Page 87
20-101-1221
Manufacturer Part Number
20-101-1221
Description
RCM4400W (JAPAN TELEC CERTIFIED)
Manufacturer
Rabbit Semiconductor
Series
RabbitCore®r
Datasheet
1.20-101-1202.pdf
(126 pages)
Specifications of 20-101-1221
Frequency
2.4GHz
Modulation Or Protocol
802.11 b
Power - Output
16dBm
Voltage - Supply
3.3V
Current - Receiving
450mA
Current - Transmitting
450mA
Data Interface
Connector, 2 x 25 Header
Memory Size
512K Flash, 1MB SRAM
Antenna Connector
SMA
Operating Temperature
-20°C ~ 85°C
Package / Case
Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Applications
-
Sensitivity
-
Data Rate - Maximum
-
Other names
316-1147
- Current page: 87 of 126
- Download datasheet (2Mb)
6.3.3 Other Key Function Calls
Remember to call
after all the Wi-Fi parameters have been defined. The
sock_init()
Wi-Fi interface will be up automatically as long as you configured Dynamic C at compile
time with one of the
macros. Otherwise the Wi-Fi interface is neither up nor
TCPCONFIG
down, and must be brought up explicitly by calling either
or
ifup(IF_WIFI0)
. You must bring the interface down when you configure
ifconfig(IF_WIFI0,…)
Dynamic C at run time before modifying any parameters that require the interface to be
down (see Section 6.3.2) by calling
or
.
ifdown(IF_WIFI0)
ifconfig(IF_WIFI0,…)
Then bring the interface back up.
Finally, no radio transmission occurs until you call
.
tcp_tick(NULL)
Instead of executing the above sequence based on
, you could use
sock_init()
sock_
as a debugging tool to transmit packets (ARP, DHCP, association,
init_or_exit(1)
and authentication) while bringing up the interface and to get the IP address.
User’s Manual
81
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