参数资料
型号: TRC103
厂商: RFM
文件页数: 15/65页
文件大小: 0K
描述: RFIC TRANSCEIVER MULTI-CHANNEL F
标准包装: 1
系列: TRC
频率: 863MHz ~ 960MHz
数据传输率 - 最大: 100kbps
调制或协议: FSK,OOK
应用: 通用
功率 - 输出: 11dBm
灵敏度: -112dBm
电源电压: 2.1 V ~ 3.6 V
电流 - 接收: 4mA
电流 - 传输: 30mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 32-QFN
包装: 标准包装
产品目录页面: 583 (CN2011-ZH PDF)
其它名称: 583-1095-6
The RSSI block can be used in interrupt mode by setting the bit IRQCFG0E_RSSI_Int[3] to 1. When RXCFG14 _
RSSI[7..0] is equal or greater than a predefined value stored in IRQCFG0F_RSSI_thld [7..0] , the bit IRQCFG0E_
SIG_DETECT[2] goes high and an interrupt signal RSSI_IRQ is generated on pin IRQ0 if IRQCFG0D_RX_
IRQ0[7..6] is set to 01 (see Table 8). The interrupt is cleared by writing a 1 to bit IRQCFG0E_ SIG_DETECT[2] . If
the bit RSSI_IRQ remains high, the process starts again. Figure 10 shows the timing diagram of RSSI in interrupt
mode.
T R C 1 0 3 R S S I In te r r u p t O p e r a tio n
R S S I T h r e s h o ld S e t to 3 0
IR Q C F G 0 E B it 3
(R S S I_ In t)
R X C F G 1 4
(R S S I V a lu e )
X
X
2 2
2 8
2 6
3 1
2 9
2 5
2 5
3 3
3 1
2 1
2 4
2 2
X
IR Q C F G 0 E B it 2
(S IG _ D E T E C T )
In te r r u p t
D e te c te d
In te r r u p t
R e s e t
In te r r u p t
D e te c te d
In te r r u p t
R e s e t
Figure 10
3.5 Receiving in Buffered Data Mode
The receiver works in buffered mode when the MCFG01_Mode[5] bit is set to 1. In this mode, the output of the
data and clock recovery, i.e., the demodulated and resynchronized signal and the clock signal DCLK are not sent
directly to the output pins DATA and IRQ1 (DCLK). These signals are used to store the demodulated data in
blocks of 8 bits in a 64-byte FIFO. Figure 11 shows the receiver chain in this mode. The FSK and OOK demodula-
tors, data and clock recovery circuit and start pattern detect block work as described for Continuous data mode,
but they are used with two additional blocks, the FIFO and SPI.
T R C 1 0 3 B u ffe rd &
R S S I_ IR Q
P a c k e t M o d e D e m o d u la tio n
R S S I
O O K
D e te c to r
R E C O G
R X _ IR Q 0
IF A m p lifie r
L im ite r
D a ta &
C lo c k
R e c o v e ry
S ta rt
P a tte rn
D e te c t
P A T T E R N
W r ite _ B y te
IR Q 0
F S K
D e te c to r
F S K /O O K
n F IF O E M P T Y
R X _ IR Q 1
IF A m p lifie r
L im ite r
F IF O
F IF O F U L L
IR Q 1
F IF O _ In t
D A T A
S P I_ ld
S P I
F IF O _ r d
R S S I_ IR Q
S D I
S D O
S C K
n S S _ D A T A
Figure 11
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? 2009-2010 by RF Monolithics, Inc.
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Page 15 of 65
TRC103 - 11/29/12
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