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MAX2828/MAX2829
Single-/Dual-Band 802.11a/b/g
World-Band Transceiver ICs
Table 9. Register Default/SPI Reset Settings
REGISTER
D13
D12
D11
D10
D9
D8
DEFAULT
D7 D6
D5
D4
D3
D2
D1
D0
ADDRESS
(A3:A0)
TABLE
Register 0
Register 1
Standby
Integer-Divider
Ratio
Fractional-
Divider Ratio
Band Select
and PLL
Calibration
Lowpass Filter
Rx
Control/RSSI
0
0
0
1
0
0
0
0
0
1
0
1
1
1
1
1
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
1
0
1
1
0
0
0
0
1
1
0
0
1
0
0
0
0
0
0
0
1
0
1
0
1
1
0
0
0
0
1
0
0
0
0
0
1
0
0
1
0
0
1
0
0
0
1
0
1
1
0
0
1
0
1
1
1
0
0
0
1
0
0
0
1
0
1
0
0
0
1
0000
0001
0010
0011
0100
0101
0110
0111
1000
—
—
10
11
12
13
14
15
16
Tx
Linearity/Base-
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1001
17
band Gain
PA Bias DAC
Rx Gain
Tx VGA Gain
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
1010
1011
1100
18
19
20
Table 10. Standby Register
(A3:A0 = 0010)
to the VCO drifting to an adjacent sub-band. In this
case, it is advisable to reprogram the PLL by either
manual or automatic sub-band selection.
DATA BIT
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
DEFAULT
0
1
0
0
0
0
0
0
0
0
0
1
1
1
DESCRIPTION
MIMO Select. Set to 0 for normal
operation. Set to 1 for MIMO
applications.
Set to 1
Voltage Reference (Pin 23)
PA Bias DAC, in Tx Mode
Set to 0
Set to 1
Programmable Registers
The MAX2828/MAX2829 include 13 programmable, 18-
bit registers: 0, 1, standby, integer-divider ratio, frac-
tional-divider ratio, band select and PLL, calibration,
lowpass filter, Rx control/RSSI, Tx linearity/baseband
gain, PA bias DAC, Rx gain, and Tx VGA gain. The 14
most significant bits (MSBs) are used for register data.
The 4 least significant bits (LSBs) of each register con-
tain the register address. Data is shifted in MSB first.
The data sent to the devices, in 18-bit words, is framed
by CS . When CS is low, the clock is active and data is
shifted with the rising edge of the clock. When CS tran-
sitions high, the shift register is latched into the register
selected by the contents of the address bits. Only the
last 18 bits shifted into the device are retained in the
shift register. No check is made on the number of clock
pulses. For programming data words less than 14 bits
long, only the required data bits and the address bits
are required to be shifted, resulting in faster Rx and Tx
gain control where only the LSBs need to be pro-
Maxim Integrated
31
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相关代理商/技术参数
MAX2829EVKIT+ 功能描述:WiFi/802.11开发工具 MAX2829 Eval Kit RoHS:否 制造商:Roving Networks 产品:Evaluation Boards 工具用于评估:RN-171 支持协议:802.11 b/g 频率:2.4 GHz 接口类型:UART 工作电源电压:2 V to 16 V
MAX2829INT 制造商:Maxim Integrated Products 功能描述:2.4GHZ/5GHZ DUAL-BAND 802.11A/G RF TRANSCEIVE - Rail/Tube
MAX2829RD 制造商:Maxim Integrated Products 功能描述:2.4GHZ/5GHZ DUAL-BAND 802.11A/G RF TRANSCEIVE - Rail/Tube
MAX2830E/D 功能描述:射频收发器 2.4GHz to 2.5GHz 802.11g/b 射频收发器 with PA and Rx/Tx/Diversity Switch RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MAX2830E/W 功能描述:射频收发器 2.4GHz to 2.5GHz 802.11g/b 射频收发器 PA and Rx/Tx/Antenna Diversity Switch RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MAX2830E/W-C8P 功能描述:射频收发器 RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MAX2830ETM+ 功能描述:射频收发器 2.4-2.5GHz 802.11g/b 射频收发器 RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MAX2830ETM+T 功能描述:射频收发器 2.4-2.5GHz 802.11g/b 射频收发器 RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray