Datasheet
Section 12 8-Bit Timer (TMR)
Rev. 3.00 Mar 21, 2006 page 290 of 788
REJ09B0300-0300
12.2 Input/Output Pins
Table 12.1 summarizes the input and output pins of the TMR.
Table 12.1 Pin Configuration
Channel Name Symbol I/O Function
Timer output TMO0 Output Output controlled by compare-match
Timer clock input TMCI0 Input External clock input for the counter
TMR_0
Timer reset input TMRI0 Input External reset input for the counter
Timer output TMO1 Output Output controlled by compare-match
Timer clock input TMCI1 Input External clock input for the counter
TMR_1
Timer reset input TMRI1 Input External reset input for the counter
TMR_Y Timer clock/reset
input
VSYNCI/TMIY
(TMCIY/TMRIY)
Input External clock input/external reset
input for the counter
Timer output TMOX Output Output controlled by compare-matchTMR_X
Timer clock/reset
input
HFBACKI/TMIX
(TMCIX/TMRIX)
Input External clock input/external reset
input for the counter
12.3 Register Descriptions
The TMR has the following registers. For details on the serial timer control register, refer to
section 3.2.3, Serial Timer Control Register (STCR). For details on timer connection register S,
refer to section 13.3.3, Timer Connection Register S (TCONRS).
• Timer counter (TCNT)
• Time constant register A (TCORA)
• Time constant register B (TCORB)
• Timer control register (TCR)
• Timer control/status register (TCSR)
• Timer input select register (TISR)
*
1
• Time constant register C (TCORC)
*
2
• Input capture register R (TICRR)
*
2
• Input capture register F (TICRF)
*
2
Notes: 1. TISR is only for the TMR_Y.
2. TCORC, TICRR, and TICRF are only for the TMR_X.