參數(shù)資料
型號(hào): MB90F337PFM
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP64
封裝: 12 X 12 MM, 1.70 MM HEIGHT, 0.65 MM PITCH, PLASTIC, LQFP-64
文件頁(yè)數(shù): 28/92頁(yè)
文件大?。?/td> 858K
代理商: MB90F337PFM
MB90335 Series
34
5.
Multifunction timer
The multifunction timer can be used for waveform output, input pulse width measurement, and external clock
cycle measurement.
Configuration of a multi-functional timer
8/16-bit PPG timer (8-bit : 4 channels, 16-bit : 2 channels)
8/16-bit PPG timer consists of a 8-bit down counter (PCNT) , PPG operation mode control register (PPGC0 to
PPGC3) , PPG output control register (PPG01, PPG23) and PPG reload register (PRLL0 to PRLL3, PRLH0 to
PRLH3) .
When used as an 8/16-bit reload timer, the PPG timer serves as an event timer. It can also output pulses of an
arbitrary duty ratio at an arbitrary frequency.
8-bit PPG mode
Each channel operates as an independent 8-bit PPG.
8-bit prescaler + 8-bit PPG mode
Operates as an arbitrary-cycle 8-bit PPG with ch.0 (ch.2) operating as an 8-bit prescaler and ch.2 (ch.3)
counted by the borrow output of ch.0 (ch.2).
16-bit PPG mode
Operates as a 16-bit PPG with ch.0 (ch.2) and ch.1 (ch.3) connected.
PPG Operation
The PPG timer outputs pulses of an arbitrary duty ratio (the ratio between the High and Low level periods of
pulse waveform) at an arbitrary frequency. Can also be used as a D/A converter by an external circuit.
8/16-bit PPG timer
16-bit PWC timer
8-bit
× 4 channels
(16-bit
× 2 channels)
1 channel
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