INPUT / OUTPUT CIRCUITS cont.
I VCO
(1.9 - 2.4V)
LOOP FILTER
(1.8 - 2.7V)
Pin 13 RVCO 0
D Pin 14 RVCO 1
E Pin 15 RVCO 2
ND S Pin 17 RVCO 3
400
400
400
400
Fig. 4 Pins 13, 14, 15 and 17
ME IGN VCC
M S 200
200
VCC4
ECO DE 10k
10k
NOFTORR NEW VCC
VCC
3k
SDO or SCO
Pin 25, 24
SDO or SCO
Pin 23, 22
800
Fig. 5 Pins 25, 24, 23 and 22
6 of 13
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