參數(shù)資料
型號: MB90420G
廠商: Fujitsu Limited
英文描述: Quadruple 2-Input Positive-OR Gate 14-CFP -55 to 125
中文描述: 16位微控制器原件
文件頁數(shù): 58/99頁
文件大?。?/td> 1706K
代理商: MB90420G
MB90420G/5G (A) Series
58
15. Sound Generator
The sound generator is composed of a sound control register, frequency data register, amplitude data register,
decrement grade register, tone count register, PWM pulse generator, frequency counter, decrement counter,
and tone pulse counter.
Block diagram
S1
S0
TONE
OE2
INTE
INT
ST
1/d
DEC
OE1
CO
EN
PWM
CI
DEC
CI
CO
EN
CI
CO
EN
CO
EN
D
EN
Q
SGA
SGO
IRQ
OE1
OE2
Clock input
Prescaler
8-bit PWM
pulse generator
Frequency
counter
Toggle
flip-flop
Reload
Reload
Amplitude data
register
Frequency data
register
Decrement
counter
Decrement grade
register
Blend
Tone pulse
counter
Tone count
register
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