HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 243

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

Timer Control Registers 6 to 9 (TCR6 to TCR9)
Bits 7 to 3—Reserved: These bits are always read as 0, and should only be written with 0.
Bits 2 to 0—Clock Select 2 to 0 (CKSEL2 to CKSEL0): These bits select clock ", scaled from
the internal clock source, from ', '/2, '/4, '/8, '/16, and '/32.
Bit 2:
CKSEL2
0
1
Bit 2:
CKSEL2
0
1
Initial value:
Bit 1:
CKSEL1
0
1
0
1
Bit 1:
CKSEL1
0
1
0
1
R/W:
Bit:
—
R
7
0
Bit 0:
CKSEL0
0
1
0
1
0
1
0
1
Bit 0:
CKSEL0
0
1
0
1
0
1
0
1
—
R
6
0
Description
Internal clock ": counting on '
Internal clock ": counting on '/2
Internal clock ": counting on '/4
Internal clock ": counting on '/8
Internal clock ": counting on '/16
Internal clock ": counting on '/32
External clock: counting on TCLKA pin input
External clock: counting on TCLKB pin input
Description
Internal clock ": counting on '
Internal clock ": counting on '/2
Internal clock ": counting on '/4
Internal clock ": counting on '/8
Internal clock ": counting on '/16
Internal clock ": counting on '/32
Cannot be set
Cannot be set
—
R
5
0
—
R
4
0
Rev. 5.00 Jan 06, 2006 page 223 of 818
Section 10 Advanced Timer Unit (ATU)
—
R
3
0
CKSEL2 CKSEL1 CKSEL0
R/W
2
0
REJ09B0273-0500
R/W
1
0
(Initial value)
(Initial value)
R/W
0
0