H8S2110B RENESAS [Renesas Technology Corp], H8S2110B Datasheet - Page 240

• Manufacturer Part Number: H8S2110B
• Description: Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 10 8-Bit Timer (TMR)
10.9.2
If a count-up occurs during the T
counter write takes priority and the counter is not incremented.
Rev. 2.00 Mar 21, 2006 page 202 of 518
REJ09B0299-0200
Address
Internal write signal
Counter clear signal
TCNT
Address
Internal write signal
TCNT input clock
TCNT
Conflict between TCNT Write and Count-Up
Figure 10.14 Conflict between TCNT Write and Count-Up
Figure 10.13 Conflict between TCNT Write and Clear
2
state of a TCNT write cycle as shown in figure 10.14, the
TCNT write cycle by CPU
TCNT write cycle by CPU
T 1
T 1
N
N
TCNT address
TCNT address
T 2
T 2
Counter write data
H'00
M