m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 120

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

[Precautions for timer mode]
1. By reading the timer Ai register, the counter value can be read out at arbitrary timing. However, if the
Fig. 7.3.6 Reading timer Ai register
timer Ai register is read at the reload timing shown in Figure 7.3.6, the value “FFFF
reading is performed in the period from when a value is set into the timer Ai register with the counter
stopped until the counter starts counting, the set value is correctly read out.
Counter value
Read value
(Hex.)
(Hex.)
n : Reload register’s contents
7905 Group User’s Manual Rev.1.0
2
2
1
1
0
0
Reload
FFFF n – 1
n
Time
n – 1
[Precautions for timer mode]
16
TIMER A
” is read out. If
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