TIMER A
7.5 One-shot pulse mode
Continued from preceding
Figure 7.5.2
When internal trigger
is selected
When external trigger
is selected
Setting port P6, port P2, and port P4 direction registers
Setting count start bit to “1”
b7
b0
b7
b0
Count start register 0
Port P6 direction register
(Address 4016
)
(Address 1016
)
Pin TA0IN
Pin TA1IN
Pin TA2IN
Pin TA3IN
Timer A0 count start bit
Timer A1 count start bit
Timer A2 count start bit
Timer A3 count start bit
Timer A4 count start bit
b7
b7
b0
b0
Port P2 direction register
(Address 816
b7
b0
)
Count start register 1
(Address 4116
)
Pin TA4
Pin TA9
Timer A5 count start bit
Timer A6 count start bit
Timer A7 count start bit
Timer A8 count start bit
Timer A9 count start bit
Port P4 direction register
(Address C16
Pin TA5IN
Pin TA6IN
Pin TA7IN
Pin TA8IN
)
Clear the corresponding bit to “0.”
Setting one-shot start bit to “1”
b7
b0
One-shot start register 0
0
(Address 4216
)
Setting count start bit to “1”
Timer A0 one-shot start bit
Timer A1 one-shot start bit
b7
b0
Count start register 0
(Address 4016
)
Timer A2 one-shot start bit
Timer A3 one-shot start bit
Timer A4 one-shot start bit
Timer A0 count start bit
Timer A1 count start bit
Timer A2 count start bit
Timer A3 count start bit
Timer A4 count start bit
b7
b0
One-shot start register 1
0
(Address 4316
)
b7
b0
Count start register 1
Timer A5 one-shot start bit
(Address 4116
)
Timer A6 one-shot start bit
Timer A7 one-shot start bit
Timer A8 one-shot start bit
Timer A9 one-shot start bit
Timer A5 count start bit
Timer A6 count start bit
Timer A7 count start bit
Timer A8 count start bit
Timer A9 count start bit
Trigger input to
TAi IN pin
Trigger generated
Count starts.
Fig. 7.5.3 Initial setting example for registers related to one-shot pulse mode (2)
7905 Group User’s Manual Rev.1.0
7-32
RENESAS [ RENESAS TECHNOLOGY CORP ]
