M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 100

• 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. 5.3.1 Structures of timer Ai mode register and timer Ai register in timer mode
TIMER A
5.3 Timer mode
5–10
(b15)
b7 b6 b5 b4 b3 b2 b1 b0
b7
0
0
(b8)
b0 b7
0
Timer Ai mode register (i = 0 to 4) (Addresses 56
Bit
0
1
2
4
5
6
3
7
Pulse output function select bit
Gate function select bits
Operating mode select bits
Count source select bits
Fix this bit to “0” in the timer mode.
7702/7703 Group User’s Manual
Bit name
b0
15 to 0 These bits can be set to “0000
Bit
Timer A0 register (Addresses 47
Timer A1 register (Addresses 49
Timer A2 register (Addresses 4B
Timer A3 register (Addresses 4D
Timer A4 register (Addresses 4F
Assuming that the set value = n, the counter
divides the count source frequency by n + 1.
When reading, the register indicates the
counter value.
0 : No pulse output
1 : Pulse output
b4 b3
b1 b0
0 0 : Timer mode
0 0 : No gate function
0 1 : (TAi
1 0 : Gate function
1 1 : Gate function
b7 b6
0 0 : f
0 1 : f
1 0 : f
1 1 : f
(TAi
(TAi
pin.)
I/O port.)
(Counter counts only while TAi
(Counter counts only while TAi
pin’s input signal is “L” level.)
pin’s input signal is “H” level.)
2
16
64
512
OUT
OUT
rammable I/O port.)
pin functions as a pulse output
pin functions as a programmable
Functions
IN
16
pin functions as a prog-
Functions
to 5A
16
)
16
” to “FFFF
16
16
16
16
16
, 46
, 48
, 4E
, 4A
, 4C
16
16
16
16
16
)
)
)
16
)
IN
)
IN
.”
Undefined
At reset
At reset
0
0
0
0
0
0
0
0
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW