MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
22
Fig. 14. Timer Mode Register 1
Fig. 15. Timer Mode Register 2
b7b6 b5b4b3 b2b1b0
Timer mode register 1 (TMR1) [Address 00F4
16
]
B
After reset
W
Timer Mode Register 1
0
1
2
3
4
Name Functions
Timer 1 count source
selection bit 1
(TMR10, TMR15)
b5 b0
0 0: f(X
IN
)/16 or f(X
CIN
)/16 (See note)
0 1: f(X
IN
)/4096 or f(X
CIN
)/4096 (See note)
1 0: f(Xc
IN
)
1 1: External clock from TIM2 pin
Timer 2 count source
selection bit 1
(TMR11)
0:
Count source selected by bit 4 of TM1
1:
External clock from TIM2 pin
Timer 1 count
stop bit (TMR12)
0: Count start
1: Count stop
Timer 2 count stop
bit (TMR13)
0: Count start
1: Count stop
Timer 2 count source
selection bit 2
(TMR14)
R
0
0
0
0
0
WR
WR
WR
WR
WR
0: f(X
IN
)/16 or f(X
CIN
)/16 (See note)
1: Timer 1 overflow
6
Timer 5 count source
selection bit 2 (TMR16)
0: Timer 2 overflow
1: Timer 4 overflow
0WR
7 Timer 6 internal count
source selection bit
(TMR17)
0WR
0: f(X
IN
)/16 or f(X
CIN
)/16 (See note)
1: Timer 5 overflow
Note: Either f(X
IN
) or f(X
CIN
) is selected by bit 7 of the CPU mode register.
b7b6 b5b4b3 b2b1b0
Timer mode register 2 (TMR2) [Address 00F5
16
]
B
After reset
RW
Timer Mode Register 2
0
Name Functions
Timer 3 count source
selection bit (TMR20)
0 RW
1 Timer 4 count source
selection bit 2
(TMR21)
0RW
2
3
0
Timer 3 count
stop bit (TMR22)
0: Count start
1: Count stop
Timer 4 count stop bit
(TMR23)
0: Count start
1: Count stop
0
0
5
Timer 5 count stop bit
(TMR25)
0: Count start
1: Count stop
0
6
Timer 6 count stop bit
(TMR26)
0: Count start
1: Count stop
0
RW
RW
RW
RW
RW
7
Timer 5 count source
selection bit 1
(TMR27)
0: Count source selected by bit 0
of TMR3
1: Count source selected by bit 6
of TMR1
0 : f(X
IN
)/16 or f(X
CIN
)/16 (See note)
1 : External clock from TIM3 pin
0 : Timer 3 overflow signal
1 : f(X
IN
)/16 or f(X
CIN
)/16 (See note)
Note: Either f(X
IN
) or f(X
CIN
) is selected by bit 7 of the CPU mode register.
4
Timer 4 count source
selection bit 1
(TMR24)
0RW
0: Count source selected by bit 1
of TMR2
1 : f(X
IN
)/2 or f(X
CIN
)/2 (See note)
