Renesas M16C Series User Manual page 191

M30240 Group
Timer Bi mode register
b7 b6 b5 b4 b3 b2
Figure 2.34: Timer B related register (1)
Timer Bi register (Note)
(b15)
b7
Count start flag
b7 b6 b5 b4 b3
Figure 2.35: Timer B related register (2)
Rev.1.00 Sep 24, 2003 Page 173 of 360
Symbol Address
b1 b0
TBiMR(i = 0 to 2) 039B
0 0
Bit symbol Bit name
TMOD0
Operation mode select bit
TMOD1
MR0
Invalid in timer mode. Can be either "0" or "1".
MR1
Fixed to "0" in timer mode (i = 0).
MR2
This bit cannot be set or reset. ( i = 1, 2)
MR3
Invalid in timer mode.
TCK0
Count source select bit
TCK1
Note 1: Timer B0.
Note 2: Timer B1, Timer B2.
Symbol
(b8)
TB0
b0 b7 b0
TB1
TB2
Function
• Timer mode
Counts the timer's period
Note: Read and write data in 16-bit units.
Symbol Address
b2 b1 b0
TABSR 0380
Bit symbol Bit name
TA0S Timer A0 count start flag
TA1S Timer A1 count start flag
TA2S Timer A2 count start flag
TA3S Timer A3 count start flag
TA4S Timer A4 count start flag
TB0S Timer B0 count start flag
TB1S Timer B1 count start flag
TB2S Timer B2 count start flag
When reset
to 039D 00XX0000
16 16 2
Function
b1 b0
0 0 : Timer mode
0 0 : f1
0 1 : f8
1 0 : f32
1 1 : Reserved
Address When reset
0391 , 0390 Indeterminate
16 16
0393 , 0392 Indeterminate
16 16
0395 , 0394 Indeterminate
16 16
Values that can be set
0000
When reset
00
16 16
Function
0 : Stops counting
1 : Starts counting
R W
(Note 1)
(Note 2)
R W
to FFFF
16 16
R W
Timer B