參數(shù)資料
型號(hào): MB90V520
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專(zhuān)有
文件頁(yè)數(shù): 40/106頁(yè)
文件大?。?/td> 1539K
代理商: MB90V520
MB90520 Series
40
4. 8/16-bit PPG Timer 0, 1
The 8/16-bit PPG timer is a 2-CH re-load timer module for outputting pulse having given frequencies/duty ratios.
The two modules perform the following operation by combining functions.
8-bit PPG timer output 2-CH independent output mode
This is a mode for operating independent 2-CH 8-bit PPG timers, in which PG00 and PG10 pins correspond
to outputs from PPG0 and PPG1 respectively.
16-bit PPG timer output operation mode
In this mode, PPG0 and PPG1 are combined to be operated as a 1-CH 8/16-bit PPG timer 0 and 1 operating
as a 16-bit timer. Because outputs during 16-bit PPG timer output operation mode are reversed by an underflow
from PPG1, the same output pulses are output from PG10 and PG11 pins.
8 + 8-bit PPG timer output operation mode
In this mode, PPG0 is operated as an 8-bit prescaler register, in which an underflow output of PPG0 is used
as a clock source for PPG1.
A prescaler output of PPG0 is output from PG00 and PG01 pins. PPG output of PPG1 is output from PG10 and
PG11 pins.
PPG output operation
A pulse wave with any period/duty ratio is output. The module can also be used as a D/A converter with an
external add-on circuit.
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