20-101-1221 Rabbit Semiconductor, 20-101-1221 Datasheet - Page 55

• Manufacturer Part Number: 20-101-1221
• Description: RCM4400W (JAPAN TELEC CERTIFIED)
• Manufacturer: Rabbit Semiconductor
• Series: RabbitCore®r

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

Since the RCM4400W uses part of the serial flash to bootstrap its FPGA, you must ensure
that your application does not try to access the serial flash during the first call to
init()
spin on
OEM User’s Manual
while (sf_isWriting()) {
}
sock_init();
sf_isWriting()
. If your application has written to the flash before calling
// waiting for write to complete before calling sock_init
as shown in the sample code to ensure that the write is complete.
sock_init()
, be sure to
sock_
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