µPD6121, 6122
Figure 7-1. Continuous Command Transmission Mode (When fOSC = 455 kHz)
(1) µPD6120C, 6121G, 6122G
REM output
58.5 to 76.5 ms
31.5 to 49.5 ms
108 ms
Average transmission
current ratio
ITYP = 8.48 % x Ipeak (LED)
LMP output
(2) µPD1913C, 1943G, 6102G
1 K1 to K20, K33 to K52 (KO0 to KO4)
REM output
LMP output
67.5 ms
105.5 msNote
38 ms
Average transmission
current ratio
ITYP = 8.68 % x Ipeak (LED)
2 K21 to K32, K53 to K64 (KO5 to KO7)
REM output
LMP output
67.5 ms
20 ms
87.5 msNote
Average transmission
current ratio
ITYP = 10.47 % x Ipeak (LED)
Note In the case of the µPD1913C, 1943G and 6102G, the transmission repeat cycle (T) varies depending
on the key.
Remark ITYP = IAVE x Ipeak (LED)
IAVE = (9 ms + 0.56 ms x 33)/T ms x 1/3 (duty)
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