M16C62_M Datasheet, PDF (528/615 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

DMAC Applications
Mitsubishi microcomputers
M16C / 62A Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Continued from the previous page
Initialization of timer A0
b7
b0
0 00 0 0 0 0 0
Timer A0 mode register
TA0MR [Address 039616 ]
Selection of timer mode
Pulse output function select bit
0 : Pulse is not output (TA0OUT pin is a normal port pin)
Gate function select bit
b4 b3
0 0 : Gate function not available (TA0IN pin is a normal port pin)
0 (Must always be “0” in timer mode)
Count source select bit
b7 b6
0 0 : f1
b7 b6 ^Count
Count source period
source f(XIN) : 16MHZ f(XcIN) : 32.768kHZ
0 0 f1
62.5ns
0 1 f8
500ns
1 0 f32
2µs
1 1 fC32
976.56µs
b15
b8 b7
3E16
0F16
b7
b0
b0
Timer A0 register
TA0 [Address 0387, 038616 ]
b7
b0
1 ^{Count start flag [Address 038016]}
TABSR
Timer A0 count start flag
1 : Starts counting
Figure 3.6.4. Set-up procedure of memory to memory DMA transfer (2)
2-211