HD6413007F20 Datasheet, PDF (340/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

9. 16-Bit Timer
9.2.10 Timer I/O Control Register (TIOR)
TIOR is an 8-bit register. The 16-bit timer has three TIORs, one in each channel.
Channel Abbreviation Function
0
TIOR0
TIOR controls the general registers. Some functions differ in PWM
1
TIOR1
mode.
2
TIOR2
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
⎯
IOB2 IOB1 IOB0
⎯
IOA2 IOA1 IOA0
1
0
0
0
1
0
0
0
⎯
R/W R/W R/W
⎯
R/W R/W R/W
I/O control A2 to A0
These bits select GRA
functions
Reserved bit
I/O control B2 to B0
These bits select GRB functions
Reserved bit
Each TIOR is an 8-bit readable/writable register that selects the output compare or input capture
function for GRA and GRB, and specifies the functions of the TIORA and TIORC pins. If the
output compare function is selected, TIOR also selects the type of output. If input capture is
selected, TIOR also selects the edge or edges of the input capture signal.
TIOR is initialized to H'88 by a reset and in standby mode.
Bit 7⎯Reserved: This bit cannot be modified and is always read as 1.
Rev.5.00 Sep. 12, 2007 Page 310 of 764
REJ09B0396-0500