M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 133

• 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

Table 5.6.2 Count source frequency
5.6.2 Count source
In the PWM mode, the count source select bits (bits 6 and 7 at addresses 56
source. Table 5.6.2 lists the count source frequency.
5.6.3 Trigger
When a trigger is generated, the TAi
can be selected as that trigger.
An internal trigger is selected when the trigger select bits (bits 4 and 3 at addresses 56
or “01
A trigger generated during outputting of PWM pulses is ignored and it does not affect the pulse output
operation.
(1) When selecting internal trigger
(2) When selecting external trigger
b7
Count source
0
0
1
1
select bits
A trigger is generated when writing “1” to the count start bit (at address 40
A trigger is generated at the falling of the TAi
is “0,” or at its rising when bit 3 is “1.” However, the trigger input is accepted only when the count
start bit 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
IN
b6
pins for the input mode.
0
1
0
1
f
f
f
f
Count source
2
16
64
512
OUT
7702/7703 Group User’s Manual
pin starts outputting PWM pulses. An internal or an external trigger
f(X
15625 Hz
IN
500 kHz
125 kHz
) = 8 MHz
4 MHz
IN
pin’s input signal when bit 3 at addresses 56
5.6 Pulse width modulation (PWM) mode
Count source frequency
2
” or “11
f(X
31250 Hz
IN
) = 16 MHz
250 kHz
2
8 MHz
1 MHz
.”
16
to 5A
16
).
f(X
16
16
TIMER A
) select the count
IN
to 5A
) = 25 MHz
390.625 kHz
12.5 MHz
48.8281 kHz
1.5625 MHz
16
) are “00
16
to 5A
5–43
2
16
”