M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 125

• 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

Fig. 5.5.4 Structure of one-shot start register
counting when a trigger is generated after it has been enabled. An internal or an external trigger can be
selected as that trigger.
or “01
continues counting. 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.
5.5.3 Trigger
The counter is enabled for counting when the count start bit (address 40
An internal trigger is selected when the trigger select bits (bits 4 and 3 at addresses 56
If a trigger is generated during counting, the reload register’s contents are reloaded and the counter
(1) When selecting internal trigger
(2) When selecting external trigger
b7
A trigger is generated when writing “1” to the one-shot start bit (address 42
the structure of the one-shot start register.
A trigger is generated at the falling of the TAi
is “0,” or at its rising when bit 3 is “1.”
When using an external trigger, set the port P5 and P6 direction registers’ bits which correspond to
the TAi
2
”; an external trigger is selected when the bits are “10
b6
b5
b4
IN
b3
pins for the input mode.
b2
b1
b0
One-shot start register (Address 42
7 to 5 Nothing is assigned.
Bit
0
1
2
3
4
Timer A0 one-shot start bit
Timer A1 one-shot start bit
Timer A2 one-shot start bit
Timer A3 one-shot start bit
Timer A4 one-shot start bit
7702/7703 Group User’s Manual
Bit name
IN
pin’s input signal when bit 3 at addresses 56
16
)
2
” or “11
1 : Start outputting one-shot pulse
The value is “0” at reading.
(valid when selecting internal
trigger.)
2
.”
16
Functions
5.5 One-shot pulse mode
) is set to “1.” The counter starts
16
). Figure 5.5.4 shows
16
TIMER A
to 5A
Undefined
At reset
0
0
0
0
0
16
) are “00
16
WO
WO
WO
WO
WO
RW
to 5A
–
5–35
2
16
”