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參數(shù)資料
| 型號(hào)： | HD404812FS |
| 廠商： | Renesas Technology Corp. |
| 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)： | 34/100頁(yè) |
| 文件大?。?/td> | 384K |
| 代理商： | HD404812FS |
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HD404818 Series
32
MIS2
MIS1
MIS0
t
RC
selection
Refer to
table 20
MIS: $00C
MIS
1 Bit
0 Bit
0
0
0
1
1
1
0
1
T
0.24414 ms
15.625 ms
62.5 ms
Not used
—
0.12207 ms
0.24414 ms
7.8125 ms
31.25 ms
Oscillation circuit
condition
External clock input
Ceramic or crystal
oscillator
Notes:
1
*
2
*
t
RC
1
*
1. The value of t applies only when using
a 32.768-kHz oscillator.
2. Only direct transfer.
Figure 13 Miscellaneous Register
Direct Transfer:
By controlling the DTON, the MCU can be placed directly from subactive to active
mode. The detailed procedure is as follows:
Set the DTON flag in subactive mode while LSON = 0.
Execute the STOP or SBY instruction.
After the oscillation stabilization time (a fixed value), the MCU will move automatically from subactive
to active mode.
Note that DTON ($020, bit 3) is valid only in subactive mode. When the MCU is in active mode, this flag
is always at reset.
The transition time (t
D
) from subactive to active mode is t
RC
<
t
D
<
T + t
RC
.
Subactive mode
Interrupt
strobe
Direct transfer
timing
Internal
execution
time (< T)
Oscillation
stabilization
time
Active mode
T
t
RC
T:
t :
STOP/SBY
execution
(LSON = 0, DTON = 1)
Interrupt frame period
Oscillation stabilization period
Figure 14 Direct Transfer Timing
MCU Operating Sequence:
The MCU operates in the sequence shown in figures 15 to 17. It is reset by an
asynchronous RESET input, regardless of its state.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD404812H | 4-Bit Single-Chip Microcomputer |
| HD404812TF | 4-Bit Single-Chip Microcomputer |
| HD404816 | 4-Bit Single-Chip Microcomputer |
| HD404816FS | 4-Bit Single-Chip Microcomputer |
| HD404816H | 4-Bit Single-Chip Microcomputer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD404812H | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-Bit Single-Chip Microcomputer |
| HD404812TF | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-Bit Single-Chip Microcomputer |
| HD404814 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-Bit Single-Chip Microcomputer |
| HD404814FS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-Bit Single-Chip Microcomputer |
| HD404814H | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-Bit Single-Chip Microcomputer |
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