Rev. 1.0, 02/00, page 292 of 1141
15.2
Register Descriptions
15.2.1
Timer R Mode Register 1 (TMRM1)
0
0
1
0
R/W
2
0
R/W
3
0
4
0
R/W
5
0
6
0
7
R/W
R/W
R/W
RLD
R/W
AC/BR
0
R/W
CLR2
RLCK
PS21
PS20
RLD/CAP
CPS
Bit :
Initial value :
R/W :
The timer R mode register 1 (TMRM1) works to control the acceleration and braking processes
and to select the inputting clock for the TMRU-2. This is an 8-bit read/write register.
When reset, the TMRM1 is initialized to H'00.
Bit 7
Selecting Clearing/Not Clearing of TMRU-2 (CLR2): This bit is used for selecting if
the TMRU-2 counter reading is to be cleared or not as it is captured.
Bit 7
CLR2
Description
0
TMRU-2 counter reading is not to be cleared as soon as it is captured. (Initial value)
1
TMRU-2 counter reading is to be cleared as soon as it is captured
Bit 6
Acceleration/Braking Processing (AC/BR): This bit works to control occurrences of
interrupt requests to detect completion of acceleration or braking while the capstan motor is
making intermittent revolutions.
For more information, see section 15.3.6, Acceleration and Braking Processes of the Capstan
Motor.
Bit 6
AC/BR
Description
0
Braking
(Initial value)
1
Acceleration