8/16-Bit Ppg Operation Modes - Fujitsu F2MC-16LX Hardware Manual
Mb90550a/b series, 16-bit
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Also See for F2MC-16LX:
- Hardware manual (706 pages) ,
- Application note (13 pages) ,
- Operation manual (10 pages)
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CHAPTER 12 8/16-BIT PPG
12.4.1 8/16-bit PPG Operation Modes
The following three types of operation modes are available with the 8/16-bit PPG:
• 8-bit 2-ch mode
• 8-bit prescaler + 8-bit PPG mode
• 16-bit PPG 1-ch mode
■ 8/16-bit PPG Operation Modes
❍ 8-bit 2-ch mode
In this operation mode, the two 8-bit PPG units are operated independently of each other.
The PPG0 pin is connected to the PPG output of ch.0, and the PPG1 pin is connected to the
PPG output of ch.1.
❍ 8-bit prescaler + 8-bit PPG mode
In this operation mode, an 8-bit PPG waveform with an arbitrary cycle period can be output by
operating ch.0 as an 8-bit prescaler and counting ch.1 with ch.0 borrow output.
The PPG0 pin is connected to the prescaler output of ch.0, and the PPG1 pin is connected to
the PPG output of ch.1.
❍ 16-bit PPG 1-ch mode
In this operation mode, ch.0 and ch.1 interact, enabling 16-bit PPG operation. The PPG0 pin
and PPG1 pin are both connected to 16-bit PPG output.
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