18

µPD6P9

Data Sheet U15144EJ1V1DS

By setting the flag (t9) that enables the timer output to 1, the timer can output its operation status from the S1/

LED pin and the REM pin. The REM pin can also output the carrier while the timer is in operation.

Table 4-1. Timer Output (at t9 = 1)

S1/LED Pin

REM Pin

Timer operating

Low level

High level (or carrier outputNote)

Timer halting

High level

Low level

Note The carrier output results if bit 9 (CARY) of the high-level period setting modulo register (MOD1) is cleared

(to 0).

Figure 4-2. Timer Output (When Carrier Is Not Output)

Note (Set value + 1)

× 64/fX (

µPD6P9M1), (set value + 0.5) × 64/fX (µPD6P9M3)

Timer output timeNote

LED

REM