M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 126

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TIMER A
5.5 One-shot pulse mode
5–36
5.5.4 Operation in one-shot pulse mode
Figure 5.5.5 shows an example of operation in the one-shot pulse mode.
When a trigger is generated after
beginning from
once after this generated new trigger, and it continues counting with the reload register’s contents reloaded.
If generating a trigger during counting, make sure that a certain time which is equivalent to one cycle of
the timer’s count source or more has passed between the previous generated trigger and a new generated
trigger.
The one-shot pulse output from the TAi
2 to “0.” Accordingly, timer Ai can be also used as an internal one-shot timer that does not perform the
pulse output. In this case, the TAi
When the count start bit is set to “1,” the counter is enabled for counting. After that, counting starts when
When the counter value becomes “0000
When the one-shot pulse mode is selected with the operating mode select bits, the TAi
When the counter starts counting, the TAi
Simultaneously at
“L” level.
a trigger is generated.
the reload register’s contents are reloaded and the counter stops counting there.
This interrupt request bit remains set to “1” until the interrupt request is accepted or the interrupt request
bit is cleared to “0” by software.
again. Furthermore, if a trigger is generated during counting, the counter down-counts
, the timer Ai interrupt request bit is set to “1.”
OUT
pin functions as a programmable I/O port.
above, the counter and TAi
7702/7703 Group User’s Manual
OUT
16
pin can be disabled by clearing the timer Ai mode register’s bit
,” the output from the TAi
OUT
pin outputs “H” level.
OUT
OUT
pin becomes “L” level. Additionally,
pin perform the same operations
OUT
pin outputs