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參數(shù)資料
| 型號(hào)： | M64886FP |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | RF Transceiver for Short-range Wireless |
| 中文描述： | 射頻收發(fā)器的短距離無(wú)線 |
| 文件頁(yè)數(shù)： | 26/28頁(yè) |
| 文件大?。?/td> | 445K |
| 代理商： | M64886FP |
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M64886FP
Rev.1.0, Sep.22.2003, page 7 of 27
Pin Description (cont.)
Pin
No.
Symbol
Pin Name
Functions
53
DEMODOUT
Demodulator output
Demodulator output pin .
54
SLICERIN
Slicer input
Slicer input pin . Demodulate signal input .
55
SLICEROUT
Slicer output
Slicer output pin .
56
LIMOUT
Limiter output
Limiter output pin .
57
DISC
Discriminator port
Pull up to VCC with discriminator .
58
RSSICOMP
RSSI comparator output
RSSI voltage comparator output pin .
59
RSSI
RSSI output
RSSI output pin.
It is need to pull down to ground with variable resistor .
60
LIMREF1
Limiter reference 1
Internal limiter reference voltage.
Decoupled to ground with capacitor .
61
LIMREF2
Limiter reference 2
Internal limiter reference voltage.
Decoupled to ground with capacitor .
62
LIMIN
Limiter input
Limiter input pin . 2nd IF signal input .
63
IFGND
2nd IF ground
DC ground for 2nd mixer and limiter and RSSI and demodulator .
64
IFVCC
Power supply (2nd IF)
DC power supply to the 2nd IF circuits .
65
2ndMIXOUT
2nd mixer output
2nd IF output .
66
2ndMIXIN
2nd mixer input
2nd MIX input pin . 1st IF signal input .
67
OSCGND
OSC ground
DC ground for OSCO.
68
OSCVCC
Power supply (OSC)
DC power supply to the OSC.
69
XOUT
X’tal oscillator circuit input
Emitter pin of internal transistor for crystal oscillator.
70
XIN
X’tal oscillator circuit input
Base pin of internal transistor for crystal oscillator.
71
PLLGND2
PLL ground 2
DC ground for PLL logic .
72
PLLVDD
Power supply (PLL)
DC power supply to the PLL logic .
73
PLLVCC
Power supply
DC power supply to the prescaler , CP and OSC .
74
PLLGND1
PLL ground 1
DC ground for prescaler , CP and OSC .
75
MIXOUT
1st mixer output
1st IF output . Connect to tank circuit.
76
LOOUT
Local output
Local output . Pull up to VCC with inductor . (Open Collector type)
77
CPS
Clock pulse input
Operates at the rising edge of the clock pulse of the shift resistor .
78
DATA
Data input
Inputs serial data .
79
LE
Load enable pulse input
Inputs the load enable pulse of 19th pulse counters .
80
MEXICO
Power supply (1st Mixer)
DC power supply to the 1st mixer .
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