M38197 Mitsubishi, M38197 Datasheet - Page 20

• Manufacturer Part Number: M38197
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

Fig. FB-2 Structure of timer-related registers
20
b7
b7
b0
b0
Timer 12 mode register
(T12M : address 0028
Timer 1 count stop bit
Timer 2 count stop bit
Timer 1 count source selection bit
Not used (returns “0” when read)
Timer 2 count source selection bits
Timer 1 output selection bit (P4
Not used (returns “0” when read)
Timer 56 mode register
(T56M : address 002A
Timer 5 count stop bit
Timer 6 count stop bit
Timer 5 count source selection bit
Timer 6 operation mode selection bit
Timer 6 count source selection bits
Timer 6 (PWM) output selection bit (P6
Not used (returns “0” when read)
(do not write “1”)
b5 b4
b5 b4
0 : Operating
1 : Stopped
0 : Operating
1 : Stopped
0 : f(X
1 : f(X
0 0 : Timer 1 underflow
0 1 : f(X
1 0 : External count input CNTR
1 1 : Not available
0 : I/O port
1 : Timer 1 output
0 : Operating
1 : Stopped
0 : Operating
1 : Stopped
0 : f(X
1 : Timer 4 underflow
0 : Timer mode
1 : PWM mode
0 0 : f(X
0 1 : Timer 5 underflow
1 0 : Timer 4 underflow
1 1 : Not available
0 : I/O port
1 : Timer 6 output
IN
CIN
IN
)/16 or f(X
)/16 or f(X
)
CIN
IN
)/16 or f(X
)
CIN
CIN
16
16
)/16
)/16
CIN
)
)
)/16
6
)
0
1
)
b7
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
b0
Timer 34 mode register
(T34M : address 0029
Timer 3 count stop bit
Timer 4 count stop bit
Timer 3 count source selection bit
Not used (returns “0” when read)
Timer 4 count source selection bits
Timer 3 output selection bit (P4
Not used (returns “0” when read)
b5 b4
0 : Operating
1 : Stopped
0 : Operating
1 : Stopped
0 : f(X
1 : Timer 2 underflow
0 0 : f(X
0 1 : Timer 3 underflow
1 0 : External count input CNTR
1 1 : Not available
0 : I/O port
1 : Timer 3 output
IN
)/16 or f(X
IN
)/16 or f(X
3819 Group
CIN
16
)/16
CIN
)
)/16
7
)
1