HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 593

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

When use of an external clock is selected, three types of count can be selected: at the rising edge,
the falling edge, and both rising and falling edges.
Some functions differ between channel 0 and channel 1.
Bit 2
CKS2
0
1
Note: * If the count input of channel 0 is the TCNT1 overflow signal and that of channel 1 is the
12.2.5
Note: * Only 0 can be written to bits 7 to 5, to clear these flags.
TCSR0
Bit
Initial value :
R/W
TCSR1
Bit
Initial value :
R/W
TCNT0 compare match signal, no incrementing clock is generated. Do not use this setting.
Bit 1
CKS1
0
1
0
1
Timer Control/Status Registers 0 and 1 (TCSR0, TCSR1)
:
:
:
:
R/(W) *
R/(W) *
CMFB
CMFB
Bit 0
CKS0
0
1
0
1
0
1
0
1
7
0
0
7
R/(W) *
R/(W) *
CMFA
CMFA
Description
Clock input disabled
Internal clock, counted at falling edge of φ/8
Internal clock, counted at falling edge of φ/64
Internal clock, counted at falling edge of φ/8192
For channel 0: count at TCNT1 overflow signal *
For channel 1: count at TCNT0 compare match A *
External clock, counted at rising edge
External clock, counted at falling edge
External clock, counted at both rising and falling edges
6
0
6
0
R/(W) *
R/(W) *
OVF
OVF
5
0
5
0
ADTE
R/W
—
—
4
0
4
1
Rev.6.00 Sep. 27, 2007 Page 563 of 1268
OS3
R/W
OS3
R/W
3
0
3
0
OS2
R/W
OS2
R/W
2
0
2
0
Section 12 8-Bit Timers
REJ09B0220-0600
OS1
R/W
OS1
R/W
1
0
1
0
(Initial value)
OS0
OS0
R/W
R/W
0
0
0
0