h8s-2111b Renesas Electronics Corporation., h8s-2111b Datasheet - Page 250

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

10.10
10.10.1 Conflict between TCNT Write and Counter Clear
If a counter clear signal is generated during the T
10.14, clearing takes priority and the counter write is not performed.
10.10.2 Conflict between TCNT Write and Count-Up
If a count-up occurs during the T
counter write takes priority and the counter is not incremented.
Rev. 1.00, 05/04, page 216 of 544
Usage Notes
φ
Address
Internal write signal
TCNT input clock
TCNT
Note: * TMR_A, TMR_B
φ
Address
Internal write signal
Counter clear signal
TCNT
Note: * TMR_A, TMR_B
Figure 10.15 Conflict between TCNT Write and Count-Up
Figure 10.14 Conflict between TCNT Write and Clear
2
state of a TCNT write cycle as shown in figure 10.15, the
T
T
1
1
N
N
TCNT address
TCNT address
TCNT write cycle by CPU
TCNT write cycle by CPU
2
Counter write data
state of a TCNT write cycle as shown in figure
T
T
2
2
H'00
M
T
T
3
3
*
*