h8s-2111b Renesas Electronics Corporation., h8s-2111b Datasheet - Page 229

• Manufacturer Part Number: h8s-2111b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Table 10.3 Clock Input to TCNT and Count Condition (3)
Notes: *
Channel CKS2
TMR_B
TMR_A
0
0
0
0
1
0
0
0
0
1
1
1
1
0
0
0
0
1
0
0
0
0
1
1
1
1
If the TMR_B clock input is set as the TCNT_A overflow signal and the TMR_A clock
input is set as the TCNT_B compare-match signal simultaneously, a count-up clock
cannot be generated. These settings should not be made.
CKS1
0
0
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
1
0
0
1
1
TCR
CKS0
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
CKSA
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
0
0
0
1
1
1
1
1
—
—
—
TCRAB
CKSB
0
0
0
0
0
1
1
1
1
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Description
Disables clock input
Increments at φ/4
Increments at φ/256
Increments at φ/2048
Disables clock input
Disables clock input
Increments at φ/4096
Increments at φ/8192
Increments at φ/16384
Increments at overflow signal from
TCNT_A*
Increments at rising edge of external
clock
Increments at falling edge of external
clock
Increments at both rising and falling
edges of external clock
Disables clock input
Increments at φ
Increments at φ/2
Increments at φ/4
Disables clock input
Disables clock input
Increments at φ/2048
Increments at φ/4096
Increments at φ/8192
Increments at compare-match A from
TCNT_B*
Increments at rising edge of external
clock
Increments at falling edge of external
clock
Increments at both rising and falling
edges of external clock
Rev. 1.00, 05/04, page 195 of 544