m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 87

• Manufacturer Part Number: m3819
• Description: Mitsubishi 8-bit Single-chip Microcomputer 740 Family / 38000 Series
• Manufacturer: Renesas Electronics Corporation.

2. APPLICATION
Fig. 2.2.3 Structure of Timer 6 PWM register
Fig. 2.2.4 Structure of Timer 12 mode register
Timer 6 PWM register
Timer 12 mode register
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
B
0
1
2
3
4
5
6
7
B
0
1
2
3
4
5
6
7
Timer 6 PWM register (T6PWM) [Address:27
Timer 12 mode register (T12M) [Address:28
Timer 1 count stop bit
Timer 2 count stop bit
Timer 1 count source
selection bit
Nothing is allocated for this bit. It is a write disabled bit.
When this bit is read out, the value is "0. "
Timer 2 count source
selection bits
Timer 1 output selection bit
(P4
Nothing is allocated for this bit. It is a write disabled bit.
When this bit is read out, the value is "0. "
In Timer 6 PWM mode
Duty of the PWM rectangular waveform : n/(n + m)
Cycle : (n + m)
Selection of the Timer 6 PWM mode
Set the width of "L" of the PWM rectangular waveform.
n = a set value of the Timer 6
m = a set value of the Timer 6 PWM register
ts = a cycle of the Timer 6 count source
Set the Timer 6 operation mode selection bit of the Timer 56
mode register (Address : 2A
6
)
Name
3819 Group USER’S MANUAL
ts
Function
16
b5 b4
0 : Operating
1 : Stopped
0 : Operating
1 : Stopped
0 : f(X
1 : f(X
0 : I/O port
1 : Timer 1 output
00 : Timer 1 underflow
01 : f(X
10 : External count input CNTR
11 : Not available
) to "1".
IN
CIN
)/16 or f(X
CIN
)
16
Function
16
)
]
]
CIN
)/16
MITSUBISHI MICROCOMPUTER
0
3819 Group
At reset
At reset
2.2 Timer
?
?
?
?
?
?
?
?
0
0
0
0
0
0
0
0
R W
R W
73