M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 153

• 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. 6.4.1 Structures of timer Bi mode register and timer Bi register in event counter mode
(b15)
b7
b7
b6
b5
b4
b3
b2
b1
0 1
(b8)
b0
b0
b7
Timer Bi mode register (i = 0 to 2) (Addresses 5B
Bit
0
1
6
2
3
4
5
7
Nothing is assigned.
Operating mode select bits
Count polarity select bit
This bit is ignored in event counter mode.
These bits are ignored in event counter mode.
7702/7703 Group User’s Manual
Bit name
b0
15 to 0
Bit
Timer B0 register (Addresses 51
Timer B1 register (Addresses 53
Timer B2 register (Addresses 55
These bits can be set to “0000
Assuming that the set value = n, the counter
divides the count source frequency by n + 1.
When reading, the register indicates the
counter value.
b1 b0
b3 b2
0 1 : Event counter mode
0 0 : Count at falling edge of external signal
0 1 : Count at rising edge of external signal
1 0 : Counts at both falling and rising edges
1 1 : Not selected
of external signal
Functions
16
Functions
to 5D
6.4 Event counter mode
16
)
16
” to “FFFF
16
16
16
, 50
, 52
, 54
16
16
16
)
)
)
TIMER B
16
.”
Undefined
Undefined
Undefined
At reset
At reset
0
0
0
0
0
0
RW
RW
RW
RW
RW
RW
RW
RW
RW
—
—
6–15