SH7050 Datasheet, PDF (726/841 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/

Appendix A On-Chip Supporting Module Registers
Timer Control Registers 1 to 5
(TCR1 to TCR5)
H'FFFF82C0 (Channel 1) 8/16
H'FFFF82C6 (Channel 2) 8/16
H'FFFF8206 (Channel 3) 8/16
H'FFFF8207 (Channel 4) 8/16
H'FFFF820C (Channel 5) 8/16
ATU
Bit: 7
Bit name: —
Initial value: 0
R/W: R
6
5
4
3
2
1
0
— CKEG1 CKEG0 — CKSEL2 CKSEL1 CKSEL0
0
0
0
0
0
0
0
R
R/W R/W
R
R/W R/W R/W
Bit
Bit Name
Value
Description
5, 4
Clock edge 1 and 0 0 0
(CKEG1, CKEG0)
1
Rising edges counted
Falling edges counted
(Initial value)
10
Both edges counted
1
External clock counting disabled
2, 1, 0 Clock select 2 to 0
0 0 0 Internal clock φ": counting on φ' (Initial value)
(CKSEL2 to CKSEL0)
1 Internal clock φ": counting on φ'/2
1 0 Internal clock φ": counting on φ'/4
1 Internal clock φ": counting on φ'/8
1 0 0 Internal clock φ": counting on φ'/16
1 Internal clock φ": counting on φ'/32
1 0 External clock: counting on TCLKA input
1 External clock: counting on TCLKB input
Rev. 5.00 Jan 06, 2006 page 706 of 818
REJ09B0273-0500