M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 479

• Manufacturer Part Number: M30622MA-XXXFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
• Manufacturer: RENESAS [Renesas Technology Corp]

Timer A Applications
464
Overview
Specifications
Operation
3.3 Delayed One-Shot Output
The following are steps of outputting a pulse only once after a specified elapse since an external
trigger is input. Figure 3.3.1 shows the operation timing, Figure 3.3.2 shows the connection dia-
gram, and Figures 3.3.3 and 3.3.4 show the set-up procedure.
Use the following peripheral function:
(1) Set timer A0 in one-shot timer mode, and set timer A1 in one-shot timer mode with pulse-
(2) Set 1 ms, an interval before a pulse is output, in timer A0; and set 50 s, a pulse width, in timer
(3) Connect a 16-MHz oscillator to X
(1) Setting the trigger select bit to “1” and setting the count start flag to “1” enables the counter of
(2) If an effective edge, selected by use of the external trigger select bit, is input to the TA0
(3) As soon as the counter of timer A0 becomes “0000
(4) An underflow in timer A0 triggers the counter of timer A1 and causes it to begin counting.
(5) As soon as the counter of timer A1 becomes “0000
• One-shot timer mode of timer A
output function.
A1. Both timer A0 and timer A1 use f
timer A0 to count.
the counter begins a down count. The counter of timer A0 performs a down count on count
source f
reload register and stops counting. At this time, the timer A0 interrupt request bit gose to “1”.
When timer A1 begins counting, the output level of the TA1
gose to “L”, the counter reloads the content of the reload register, and stops counting. At this
time, timer A1 interrupt request bit gose to “1”.
1
.
IN
.
1
for the count source.
16
”, the counter reloads the content of the
16
”, the output level of the TA1
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
OUT
pin gose to “H”.
Mitsubishi microcomputers
M16C / 62 Group
OUT
IN
pin,
pin