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参数资料
型号： MICRF405YML TR
厂商： Micrel Inc
文件页数： 7/46页
文件大小： 649K
描述： TRANSMITTER ASK/FSK 24-MLF
标准包装： 1
频率： 290MHz ~ 980MHz
应用： ISM
调制或协议： ASK，FSK
数据传输率 - 最大： 200 kbps
功率 - 输出： 10dBm
电流 - 传输： 18mA
数据接口： PCB，表面贴装
天线连接器： PCB，表面贴装
电源电压： 2.2 V ~ 3.6 V
工作温度： -40°C ~ 125°C
封装/外壳： 24-VFQFN 裸露焊盘，24-MLF?
包装： 标准包装
产品目录页面： 571 (CN2011-ZH PDF)
其它名称： 576-1965-6
Micrel
MICRF405
 
 
 
 
April 2006 
7
M9999-041906
 (408) 955-1690
 
Data and Configuration Interface
The user interface of the MICRF405 is a serial
peripheral   interface   (SPI)   consisting   of   Serial
interface enable (SEN), Serial data input/output
(SIO) and Serial clock (SCK). This user interface is
used for MICRF405 configuration setup and can
also be used for sending the user data. A second
option is to transmit data bitwise using the DATAIN
pin. The RDY/DATACLK pin is used to synchronize
the data transfers.
The control word consists of 30 addressable bytes
and defines the way of operations as well as
transmitting data. Table 1 shows all 30 bytes. The
values specified are the default setup, which are
preset after power up. The first register is the
desktop register controlling the state of the 405, the
PA and clock-out for the microcontroller. The next
block of 10bytes sets the output radio frequency
through the dividers A, N and M. The bytes with
address 11 to 21 set the frequency band, modulation
type, bit rate, loop filter type and bandwidth, XCO
tuning etc. This block is not frequently used as these
settings are usually static application dependent.
Address 22 and 23 are mostly test bits, and are
seldom altered from default settings in applications.
The interrupt register, which is located at address
24, is read only (writing to it will not do any harm or
have any effect). The last 5 bytes are used when
transferring user data to transmit through the SPI.
The first four set the SyncID field in the packet, and
the last is the one byte data buffer.
 
Adr
Data
A6..A0
D7
D6
D5
D4
D3
D2
D1
D0
0000000
Mode1=0
Mode0=1
PA2=1
PA1=1
PA0=1
ClkOut_en=1
Sync_en=1
Load_en=1
0000001
-
-
A0_5=0
A0_4=0
A0_3=1
A0_2=1
A0_1=1
A0_0=0
0000010
-
-
-
-
N0_11=0
N0_10=0
N0_9=0
N0_8=0
0000011
N0_7=0
N0_6=1
N0_5=1
N0_4=1
N0_3=0
N0_2=0
N0_1=1
N0_0=1
0000100
-
-
-
-
M0_11=0
M0_10=0
M0_9=0
M0_8=0
0000101
M0_7=0
M0_6=0
M0_5=1
M0_4=0
M0_3=0
M0_2=0
M0_1=0
M0_0=1
0000110
-
-
A1_5=0
A1_4=1
A1_3=1
A1_2=1
A1_1=1
A1_0=1
0000111
-
-
-
-
N1_11=0
N1_10=0
N1_9=0
N1_8=0
0001000
N1_7=0
N1_6=1
N1_5=1
N1_4=0
N1_3=1
N1_2=1
N1_1=1
N1_0=1
0001001
-
-
-
-
M1_11=0
M1_10=0
M1_9=0
M1_8=0
0001010
M1_7=0
M1_6=0
M1_5=1
M1_4=0
M1_3=0
M1_2=0
M1_1=0
M1_0=0
0001011    LowBatt_en=1
Freq_Band1=0     Freq_Band0=1   VCO_freq2=0     VCO_freq1=1
VCO_freq0=1    Modulation1=1    Modulation0=0
0001100   LowBatt_level=0
LDO_by=0
LDO_en1=1
LDO_en0=1    MOD_LDc_en=0   PA_FEc_en=0    PA_LDc_en=0
LD_en=1
0001101     Bit_IO_en=1     Manchester_en=0    Sel_CRC1=1     Sel_CRC0=1    SyncID_Len1=0   SyncID_Len0=1   Pream_Len1=1   Pream_Len0=0
0001110
Mod_I4=0
Mod_I3=1
Mod_I2=0
Mod_I1=0
Mod_I0=1
Mod_A2=0
Mod_A1=1
Mod_A0=1
0001111   VCO_Fr_Chk=0    VCO_Fr_Auto=0
FSKn2=1
FSKn1=0
FSKn0=0
Mod_F2=1
Mod_F1=0
Mod_F0=0
0010000
0
Prescaler_Sel=0    FSKClk_K5=1   FSKClk_K4=1     FSKClk_K3=0     FSKClk_K2=1     FSKClk_K1=0    FSKClk_K0=0
0010001   ASK_PN_en=0
ASK_EN=0
ASKshape2=1   ASKshape1=1    ASKshape0=1
ASK2=1
ASK1=1
ASK0=1
0010010
ASKn1=1
ASKn0=0
ASKClk_K5=1   ASKClk_K4=1    ASKClk_K3=0     ASKClk_K2=1    ASKClk_K1=0    ASKClk_K0=0
0010011    INT_LF_EN=1
CP_CUR1=0
CP_CUR0=1    LF_RES1_4=0    LF_RES1_3=1     LF_RES1_2=0    LF_RES1_1=0    LF_RES1_0=1
0010100   LF_High_PM=1
LF_CAP1=1
LF_CAP0=1    LF_RES3_4=0    LF_RES3_3=0     LF_RES3_2=1    LF_RES3_1=0    LF_RES3_0=1
0010101     ClkOut_1=0
ClkOut_0=0
XCO_Fast=1     XCOtune4=1
XCOtune3=0
XCOtune2=0
XCOtune1=0     XCOtune0=0
0010110   INT_LF_TEST=0
VCO_IB2=0
VCO_IB1=0
VCO_IB0=0
VCO_by=0
OUTS2=0
OUTS1=0
OUTS0=0
0010111
PA_IB3=1
PA_IB2 =0
PA_IB1=0
PA_IB0=1
PAB_IB3=1
PAB_IB2=0
PAB_IB1=0
PAB_IB0=1
0011000    VCO_freq_O2
VCO_freq_O1     VCO_freq_O0
 
 
VC_HI
VC_LO
LOW_BATT
0011001    SyncID3_7=1
SyncID3_6=1
SyncID3_5=1    SyncID3_4=0     SyncID3_3=0
SyncID3_2=1     SyncID3_1=0     SyncID3_0=1
0011010    SyncID2_7=1
SyncID2_6=1
SyncID2_5=1    SyncID2_4=0     SyncID2_3=0
SyncID2_2=1     SyncID2_1=0     SyncID2_0=1
0011011    SyncID1_7=1
SyncID1_6=1
SyncID1_5=1    SyncID1_4=0     SyncID1_3=0
SyncID1_2=1     SyncID1_1=0     SyncID1_0=1
0011100    SyncID0_7=1
SyncID0_6=1
SyncID0_5=1    SyncID0_4=0     SyncID0_3=0
SyncID0_2=1     SyncID0_1=0     SyncID0_0=1
0011101
DATA_7
DATA_6
DATA_5
DATA_4
DATA_3
DATA_2
DATA_1
DATA_0
Table 1. Controlword MICRF405 (values preset at power-up).
 
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