Digit
9
0
∗
#
A
B
C
D
D3 D2 D1 D0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
0
0
0
0
HT9200A/B
Tone Output Frequency (Hz)
852+1477
941+1336
941+1209
941+1477
697+1633
770+1633
852+1633
941+1633
Figure 2
Tone frequency
Output Frequency (Hz)
Specified
Actual
697
699
770
766
852
847
941
948
1209
1215
1336
1332
1477
1472
% Error does not contain the crystal frequency drift
7
%Error
+0.29%
–0.52%
–0.59%
+0.74%
+0.50%
–0.30%
–0.34%
21st Aug ’98