RL78/G1H CHAPTER 7 TIMER ARRAY UNIT
R01UH0575EJ0120 Rev. 1.20 Page 139 of 920
Dec 22, 2016
CHAPTER 7 TIMER ARRAY UNIT
Timer array unit incorporates 8 channels of 16-bit timer (4 channels of 16-bit timer × 2 units) in total.
Each 16-bit timer is called a channel and can be used as an independent timer. In addition, two or more “channels” can
be used to create a high-accuracy timer.
For details about each function, see the table below.
It is possible to use the 16-bit timer of channels 1 and 3 of the units 0 and 1 as two 8-bit timers (higher and lower). The
functions that can use channels 1 and 3 as 8-bit timers are as follows:
• Interval timer (upper or lower 8-bit timer)/square wave output (lower 8-bit timer only)
• External event counter (lower 8-bit timer only)
• Delay counter (lower 8-bit timer only)
Independent channel operation function Simultaneous channel operation function
• Interval timer (
→ refer to 7.8.1)
• Square wave output (
→ refer to 7.8.1)
• External event counter (
→ refer to 7.8.2)
• Input pulse interval measurement (
→ refer to 7.8.3)
• Measurement of high-/low-level width of input signal
(
→ refer to 7.8.4)
• Delay counter (
→ refer to 7.8.5)
• PWM output (
→ refer to 7.9.1)
16-bit timers
channel 0
channel 1
channel 2
channel 3
TIMER ARRAY UNIT
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