
Sample Application Circuit
LB1871, 1871M
Clock Divisor Switching
Pin N1
Pin N2
Divisor
H
H
5120 (5 × 1 × 1024)
L
H
10240(5 × 2 × 1024)
H
L
8192 (4 × 2 × 1024)
L
L
6144 (3 × 2 × 1024)
—
M
EXT. CLK
Note: An open input is taken as a high level input.
PLL servo frequency = (crystal oscillator frequency)/(divisor)
Crystal Oscillator Usage
No. 4849-6/10