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M30245 Group
Initialization of timer A0
b7
0
0
0
0
0
b15
3E
16
b7
b7
Figure 3.5.4. Set-up procedure of memory to memory DMA transfer (2)
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Continued from the previous page
b0
Timer A0 mode register
0
0
0
TA0MR [Address 0396
Selection of timer mode
Pulse output function select bit
0 : Pulse is not output (TA0
Gate function select bit
b4 b3
0 0 : Gate function not available (TA0
0 (Must always be "0" in timer mode)
Count source select bit
b7 b6
0 0 : f
1
b8
b7
b0
Timer A0 register
0F
16
TA0 [Address 0387, 0386
b0
b0
Count start flag [Address 0380
1
TABSR
Timer A0 count start flag
1 : Starts counting
page 310 of 354
]
16
pin is a normal port pin)
OUT
pin is a normal port pin)
IN
Count
b7 b6
source
f(X
0
0
f
1
0
1
f
8
1
0
f
32
1
1
f
C32
]
16
]
16
3. DMAC Applications
Count source period
) : 16MH
f(Xc
) : 32.768kH
IN
Z
IN
Z
62.5ns
500ns
2µs
976.56µs
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