參數(shù)資料
型號(hào): HD4074618
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁(yè)數(shù): 50/89頁(yè)
文件大小: 358K
代理商: HD4074618
HD404618 Series
50
Note on Use
When using the timer output as PWM output, note the following point. From the update of the timer write
register untill the occurrence of the overflow interrupt, the PWM output differs from the period and duty
settings, as shown in table 24. The PWM output should therefore not be used until after the overflow
interrupt following the update of the timer write register. After the overflow, the PWM output will have the
set period and duty cycle.
Table 24 PWM Output Following Update of Timer Write Register
PWM Output
Mode
Timer Load Register is Updated during
High PWM Output
Timer Load Register is Updated during
Low PWM Output
Free running
Timer load
register
updated to
value N
Interrupt
request
Timer load
register
updated to
value N
Interrupt
request
T
×
(255 – N) T
×
(N + 1)
T
×
(N' + 1)
T
×
(255 – N)
T
×
(N + 1)
Reload
Timer load
register
updated to
value N
Interrupt
request
Timer load
register
updated to
value N
Interrupt
request
T
T
×
(255 – N)
T
T
T
×
(255 – N)
T
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參數(shù)描述
HD4074618F 制造商:Renesas Electronics Corporation 功能描述:
HD4074618FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4074618H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4074618TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4074629 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:AS Microcomputer Incorporating a DTMF Generator Circuit