Renesas M16C Series User Manual page 193

M30240 Group
Selecting timer mode and functions
b7
Setting divide ratio
(b15)
b7
Setting count start flag
b7
Figure 2.37: Set-up procedure of timer mode
Rev.1.00 Sep 24, 2003 Page 175 of 360
b0
Timer Bi mode register (i=0 to 2) [Address 039B
0 0
TBiMR (i=0 to 2)
Selection of timer mode
Invalid in timer mode
Can be "0" or "1"
Fixed to "0" in timer mode ( i = 0)
This bit can neither be set nor reset (i = 1, 2)
Invalid in timer mode
Count source select bit
b7 b6
0 0 : f
1
0 1 : f
8
1 0 : f
32
1 1 : Reserved
(b8)
b0 b7
Can be set to 0000
b0
Count start flag [Address 0380
TABSR
Timer B0 count start flag
Timer B1 count start flag
Timer B2 count start flag
Start count
to 039D
16
Count source period
Count
b7 b6
source
0 0 f
1
0
f
1 8
1 0
f
32
b0
Timer B0 register [Address 0391
Timer B1 register [Address 0393
Timer B2 register [Address 0395
to FFFF
16 16
]
16
Timer B
]
16
f(X ) : 12MH
IN Z
83.3ns
667ns
2.67 µs
, 0390 ] TB0
16 16
, 0392 ] TB1
16 16
, 0394 ] TB2
16 16