Toshiba TLCS-90 Series Data Book page 276

TOSHIBA
Timer 3 Timer 2 Timer 1 Timer
a
I
7 6
I
5 4
I
3 2
I
1
a
I
I
TCLK
I
T3CLK T2CLK TICLK TOCLK
(F
FD 8H )
I ___
:...---.,;..._~-.;._--=--_~_
R/W
R/W
I
I
I
I
I I I
I
*
1001
I
I
I
I
I
I
I
1011
1101
1111
R/W
I I
*
1001
I I
1011
1101
1111
I
I
*
1001
1011
1101
111\
I I
*
1001
I I
1011
1101
1111
I
IR/w
I
->
Timer
a
input
TMOD3,2 01
Internal clock 0T1
" ¢T16
" ¢T256
>
Timer 1 input
TMOD3,2
=
01
Timer
a
comparator
outEut
Internal clock ¢T1
"
q}T16
"
q}T256
>
Timer 2 input
TMOD7,6 01
Internal clock
~T1
" ¢T16
"
q}T256
>
Timer 3 input
TMOD7,6
=
01
Timer 2 comparator
outEut
Internal clock
~T1
" ¢T16
" ¢T256
(Note)
*
indicates initial value after reset.
TMP90C840
clock
TMOD3,2
=
01
Internal clock ~T1
"
~T16
Not used
clock
TMOD3,2
=
01
Timer
a
overflow
output
clock
TMOD7,6
=
01
Internal clock ¢T1
"
¢T16
Not used
clock
TMOD7,6
=
01
Timer 2 overflow
output
Fig. 3.6 (4) 8-bit Timer Clock Control Register (TCLK)
MPU90-78