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Operation Modes of 8-/16-bit PPG Timer
8-bit PPG output 2-channel independent operation mode
The 8-bit PPG output 2-channel independent operation mode causes the 2-channel modules (PPGC and
PPGD) to operate as each independent 8-bit PPG timer.
Table 16.1-1 shows the interval times in the 8-bit PPG output 2-channel independent operation mode.
Table 16.1-1 Interval Times in 8-bit PPG Output 2-channel Independent Operation Mode
Count Clock Cycle
9
/HCLK(128 µs)
2
HCLK: Oscillation clock
φ : Machine clock
The parenthesized values are provided when the oscillation clock operates at 4 MHz and the machine clock operates
at 24 MHz.
16-bit PPG output operation mode
The 16-bit PPG output operation mode concatenates the 2-channel modules (PPGC and PPGD) to operate
as a 16-bit 1-channel PPG timer.
Table 16.1-2 shows the interval times in this mode.
Table 16.1-2 Interval Times in 16-bit PPG Output Operation Mode
Count clock cycle
9
/HCLK(128 µs)
2
HCLK: Oscillation clock
φ : Machine clock
The parenthesized values are provided when the oscillation clock operates at 4 MHz and the machine clock operates
at 24 MHz.
1/φ(41.7 ns)
2/φ(83.3 ns)
2
2
/φ(167 ns)
3
2
/φ(333 ns)
4
2
/φ(667 ns)
1/φ(41.7 ns)
2/φ(83.3 ns)
2
2
/φ(167 ns)
3
2
/φ(333 ns)
4
2
/φ(667 ns)
CHAPTER 16 8-/16-BIT PPG TIMER
PPGC, PPGD
Interval Time
8
1/φ to 2
/φ
9
2/φ to 2
/φ
2
10
2
/φ to 2
/φ
3
11
2
/φ to 2
/φ
4
12
2
/φ to 2
/φ
9
17
2
/HCLK to 2
/HCLK
Interval time
16
1/φ to 2
/φ
17
2/φ to 2
/φ
2
18
2
/φ to 2
/φ
3
19
2
/φ to 2
/φ
4
20
2
/φ to 2
/φ
9
25
2
/HCLK to 2
/HCLK
Output Pulse Time
9
2/φ to 2
/φ
2
10
2
/φ to 2
/φ
3
11
2
/φ to 2
/φ
4
12
2
/φ to 2
/φ
5
13
2
/φ to 2
/φ
10
18
2
/HCLK to 2
/HCLK
Output pulse time
17
2/φ to 2
/φ
2
18
2
/φ to 2
/φ
3
19
2
/φ to 2
/φ
4
20
2
/φ to 2
/φ
5
21
2
/φ to 2
/φ
10
26
2
/HCLK to 2
/HCLK
283
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