Specifications
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
7560 Group
51
TOUT/φ OUTPUT FUNCTION
The system clock φ or timer 2 divided by 2 (TOUT output) can be
output from port P43 by setting the TOUT/φ output enable bit of the
timer 123 mode register and the TOUT/φ output control register.
Set the P43/φ/TOUT pin to output mode (set “1” to bit 3 of port P4
direction register) when outputting TOUT/φ.
Fig. 55 Structure of TOUT/
φφ
φφ
φ output-related registers
T
O
U
T
/φ
o
u
t
p
u
t
c
o
n
t
r
o
l
b
i
t
0
:
S
y
s
t
e
m
c
l
o
c
k
φ
o
u
t
p
u
t
1
:
T
O
U
T
o
u
t
p
u
t
N
o
t
u
s
e
d
(
“
0
”
a
t
r
e
a
d
i
n
g
)
T
OUT
/φ output contro
l
reg
i
ster
(CKOUT : address 002A
16
)
b
7
b
0
Ti
mer 123 mo
d
e reg
i
ster
(T123M : address 0029
16
)
T
OUT
output act
i
ve e
d
ge sw
i
tc
h
bi
t
0 : Start at “H” output
1 : Start at “L” output
T
OUT
/φ output enable bit
0 : T
OUT
/φ output disabled
1 : T
OUT
/φ output enabled
Timer 2 write control bit
0 : Write data in latch and timer
1 : Write data in latch only
Timer 2 count source selection bit
0 : Timer 1 output
1 : f(X
IN
)/16
(or f(X
CIN
)/16 in low-speed mode)
Timer 3 count source selection bit
0 : Timer 1 output
1 : f(X
IN
)/16
(or f(X
CIN
)/16 in low-speed mode)
Timer 1 count source selection bit
0 : f(X
IN
)/16
(or f(X
CIN
)/16 in low-speed mode)
1 : f(X
CIN
)
Not used (“0” at reading)
b
7
b
0