M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 339

• Manufacturer Part Number: M30622MA-XXXFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
• Manufacturer: RENESAS [Renesas Technology Corp]

Timer B
324
Figure 2.3.12. Reading timer Bi register
2.3.6 Precautions for Timer B (timer mode, event counter mode)
(1) To clear reset, the count start flag is set to “0”. Set a value in the timer Bi register, then set the
(2) Reading the timer Bi register while a count is in progress allows reading, with arbitrary timing,
flag to “1”.
the value of the counter. Reading the timer Bi register with the reload timing shown in Figure
2.3.12 gets “FFFF
ter with a count halted but before the counter starts counting gets a proper value.
Counter value (Hex.)
Read value (Hex.)
16
”. Reading the timer Bi register after setting a value in the timer Bi regis-
n = reload register content
2
2
1
1
0
0
Reload
FFFF
n
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
n – 1
n – 1
Time
Mitsubishi microcomputers
M16C / 62 Group