m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 158

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

2. APPLICATION
Fig. 2.6.9 Setting of related registers [Reception of remote-control signal]
144
Figure 2.6.9 shows a setting of related registers.
CPUM
IIDCON
IREQ1
ICON1
INTEDGE
IID
CPU mode register (Address:3B
Interrupt request register 1 (Address:3C
Interrupt control register 1 (Address:3E
Interrupt interval determination control register (Address:31
Interrupt interval determination register (Address:30
Interrupt edge selection register (Address:3A
0
1
0
1
1
0
0
1
2.6 Interrupt interval determination function
3819 Group USER’S MANUAL
1
16
Interrupt interval determination circuit operating
Counter sampling clock : f(X
Noise filter sampling clock : f(X
One-sided edge detection
INT
Remote-control interrupt : Disabled
(Counter overflow interrupt : Disabled)
Main clock division ratio : select the high-speed
Determination of the remote-control
interrupt request bit
(Counter overflow interrupt request bit)
Determine header or data (0 or 1) with this value
)
2
pin : Falling edge active
16
16
)
)
16
)
16
)
mode.
IN
)/512
16
IN
MITSUBISHI MICROCOMPUTER
)
)/128
3819 Group