m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 93

• Manufacturer Part Number: m30262f8gp
• Description: Renesas 16-bit Cmos Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

Timer A
Figure 1.12.14. Example of how a 16-bit pulse width modulator operates
Figure 1.12.15. Example of how an 8-bit pulse width modulator operates
Underflow signal of
8-bit prescaler (Note2)
Count source (Note1)
TA
Condition : Reload register = 0003
PWM pulse output
from TA
Timer Ai interrupt
request bit
Count source
TA
input signal
PWM pulse output
from TA
Timer Ai interrupt
request bit
iIN
iIN
pin input signal
pin
iOUT
Condition : Reload register high-order 8 bits = 02
iOUT
Preliminary Specifications Rev. 0.9
f
pin
Specifications in this manual are tentative and subject to change.
i
pin
(rising edge of TA
: Frequency of count source
Note: n = 0000
(f
1
f
i
, f
: Frequency of count source
(f
2
, f
1
, f
H
L
H
L
1
0
8
Reload register low-order 8 bits = 02
External trigger (falling edge of TA
, f
H
H
H
1
0
L
L
L
2
Note 1: The 8-bit prescaler counts the count source.
Note 2: The 8-bit pulse width modulator counts the 8-bit prescaler's underflow signal.
Note 3: m = 00
, f
32
8
, f
, f
16
C32
32
to FFFE
, f
)
C32
iIN
)
pin input signal) is selected
16
16
16
.
Cleared to 0 when interrupt request is accepted, or cleared by software
to FF
, when external trigger
Renesas Technology Corp.
16
; n = 00
Trigger is not generated by this signal
Cleared to 0 when interrupt request is accepted, or cleaerd by software
1 / f
1 / f
1 / f
i
16
i
X
i
X
(2
X (m + 1)
to FE
1 / f
1 / f
n
16
i
i
X (m + 1) X (2
16
X (m + 1) X n
1)
.
iIN
16
pin input signal) is selected
16
8
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
1)
M16C/26 Group
87