M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 160

• 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. 6.5.2 Initial setting example for registers relevant to pulse period/pulse width measurement mode
TIMER B
6.5 Pulse period/pulse width measurement mode
6–22
Note: The timer Bi overflow flag is a read-only bit. This bit is undefined after reset. This bit is cleared to "0" by writing to the timer Bi mode
b7
Setting interrupt priority level
Selecting pulse period/pulse width measurement mode and each function
b7
register with the count start bit = “1.”
Setting port P6 direction register
b7
Setting count start bit to “1”
b7
1 0
b0
b0
Timer Bi overflow flag (Note)
Measurement mode select bits
Count source select bits
Selection of pulse period/pulse width measurement mode
b3 b2
0: No overflow
1: Overflow
0 0 : Pulse period measurement (Interval between falling edges
0 1 : Pulse period measurement (Interval between rising edges
1 0 : Pulse width measurement
1 1 : Not selected.
Timer Bi mode register (i = 0 to 2) (Addresses 5B
b7 b6
0 0 : f
0 1 : f
1 0 : f
1 1 : f
Interrupt priority level select bits
When using interrupts, set these bits to level 1–7.
When disabling interrupts, set these bits to level 0.
b0
Timer Bi interrupt control register (i = 0 to 2)
(Addresses 7A
TB0
of measured pulse)
of measured pulse)
TB1
TB2
Port P6 direction register (Address 10
2
16
64
512
b0
IN
IN
IN
Timer B1 count start bit
Timer B2 count start bit
Timer B0 count start bit
pin
pin
pin
Count start register (Address 40
7702/7703 Group User’s Manual
16
Clear the corresponding bit to “0.”
to 7C
16
)
16
)
16
16
)
to 5D
16
)
Count starts