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參數(shù)資料
| 型號(hào)： | HD404318H |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-bit HMCS400-series microcomputer |
| 中文描述： | 4位HMCS400系列微機(jī) |
| 文件頁(yè)數(shù)： | 40/66頁(yè) |
| 文件大?。?/td> | 305K |
| 代理商： | HD404318H |
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HD404318 Series
40
$FF + 1
$00
Timer C
count value
Overflow
Time
CPU
operation
Normal
operation
Timer C
clear
Normal
operation
Timer C
clear
Program
runaway
Normal
operation
Reset
Figure 31 Watchdog Timer Operation Flowchart
Notes on Use
When using the timer output as PWM output, note the following point. From the update of the timer write
register until the occurrence of the overflow interrupt, the PWM output differs from the period and duty
settings, as shown in table 8. 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 8
PWM Output Following Update of Timer Write Register
PWM Output
Mode
Timer Write Register is Updated during
High PWM Output
Timer Write Register is Updated during
Low PWM Output
Free running
Timer write
register
updated to
value N
Interrupt
request
T
×
(255 – N) T
×
(N + 1)
Timer write
register
updated to
value N
Interrupt
request
T
×
(N' + 1)
T
×
(255 – N)
T
×
(N + 1)
Reload
Timer write
register
updated to
value N
Interrupt
request
T
T
×
(255 – N)
T
Timer write
register
updated to
value N
Interrupt
request
T
T
×
(255 – N)
T
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| HD404318S | 4-bit HMCS400-series microcomputer |
| HD4074318H | 4-bit HMCS400-series microcomputer |
| HD4074318S | 4-bit HMCS400-series microcomputer |
| HD404314 | 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī)) |
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| HD404318S | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer designed to increase program productivity |
| HD404318SERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HD404324 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer designed to increase program productivity |
| HD404324FS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer designed to increase program productivity |
| HD404324H | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer designed to increase program productivity |
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