User`s manual

28
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.4.2 Timer Mode Register 2
b7b6 b5b4b3 b2b1b0
Timer mode register 2 (TM2) [Address 00F5
16 ]
B After reset R W
Timer Mode Register 2
0
Name Functions
Timer 3 count source
selection bit (TM20)
0
RW
1, 4
Timer 4 count source
selection bits
(TM21, TM24)
0
RW
2
3
0
Timer 3 count stop bit
(TM22)
0: Count start
1: Count stop
Timer 4 count stop bit
(TM23)
0: Count start
1: Count stop
0
0
5
Timer 5 count stop bit
(TM25)
0: Count start
1: Count stop
0
6
Timer 6 count stop bit
(TM26)
0: Count start
1: Count stop
0
RW
RW
RW
RW
R
W
7
Timer 5 count source
selection bit 1 (TM27)
0: f(X
IN )/16 or f(X CIN )/16 (See note)
1: Count source selected by bit 6
of TM1
b0
0 0 : f(X
IN )/16 or f(X CIN )/16 (See note)
1 0 : f(X
CIN )
01:
11 :
(b6 at address 00C7
16 )
External clock from TIM3 pin
b4 b1
0 0 : Timer 3 overflow signal
0 1 : f(X
IN )/16 or f(X CIN )/16 (See note)
1 0 : f(X
IN )/2 or f(X CIN )/2 (See note)
1 1 : f(X
CIN )
Note: Either f(X IN ) or f(X CIN ) is selected by bit 7 of the CPU mode register.