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TSA5512M View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
TSA5512M Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Philips Semiconductors
1.3 GHz Bidirectional I2C-bus controlled synthesizer
Product specification
TSA5512
Table 1 Write data format
Address
Programmable
divider
Programmable
divider
Charge-pump
and test bits
Output ports
control bits
MSB
LSB
1
1
0
0
0 MA1 MA0 0
0 N14 N13 N12 N11 N10 N9 N8
N7 N6 N5 N4 N3 N2 N1 N0
1
CP
T1
T0
1
1
1
OS
P7 P6 P5 P4 P3 P2 P1* P0*
A byte 1
A byte 2
A byte 3
A byte 4
A byte 5
Note to Table 1
*
not valid for TSA5512T
MA1,MAO
programmable address bits (see Table 4)
A
acknowledge bit
N14 to N0
programmable divider bits
N = N14 × 214 + N13 × 213 +... +N1 × 21 + NO
CP
charge-pump current
CP = 0
50 µA
CP = 1
220 µA
P7 to P0 = 1
open-collector output is active
P7 to P0 = 0
outputs are in high impedance state
T1, T0, OS = 0 0 0
normal operation
T1 = 1
P6 = fref, P7 = fDIV
T0 = 1
3-state charge-pump
OS = 1
operational amplifier output is switched off (varicap drive disable)
October 1992
7
 

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