p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 334

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 13 8-Bit Timer (TMR)
13.9.2
If a count-up occurs during the T
counter write takes priority and the counter is not incremented.
Rev. 1.00 Sep. 21, 2006 Page 296 of 658
REJ09B0310-0100
φ
Address
Internal write signal
TCNT input clock
TCNT
Conflict between TCNT Write and Count-Up
Figure 13.14 Conflict between TCNT Write and Count-Up
2
state of a TCNT write cycle as shown in figure 13.14, the
TCNT write cycle by CPU
T 1
N
TCNT address
T 2
Counter write data
M