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參數(shù)資料
| 型號： | HD404324 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī)) |
| 中文描述： | 4位HMCS400系列微電腦（4位單片微計(jì)算機(jī)） |
| 文件頁數(shù)： | 86/94頁 |
| 文件大小： | 573K |
| 代理商： | HD404324 |
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HD404328 Series
86
Item
Symbol
Pin(s)
Min
Typ
Max
Unit Test Conditions
Note
RESET high width
t
RSTH
RESET
2
—
—
f
cyc
6
RESET fall time
t
RSTf
RESET
—
—
20
ms
6
Input capacitance
C
in
All pins except
D
10
, AN
0
–AN
3
—
—
30
pF
f = 1 MHz, V
in
= 0.0 V
D
10
—
—
30
pF
HD404324,
HD404324U,
HD404326,
HD404326U,
HD404328,
HD404328U:
f = 1 MHz,
V
in
= 0.0 V
—
—
180
pF
HD4074329,
HD4074329U:
f = 1 MHz,
V
in
= 0.0 V
Notes: 1. If f
OSC
= 0.4 MHz to 1.0 MHz, bit 3 of the miscellaneous register (MIS: $00C) must be set to 1; if
f
= 1.6 MHz to 4.5 MHz, bit 3 must be set to 0. Do not use f
OSC
= 1.0 MHz to1.6 MHz with 32-
kHz oscillation.
2. The oscillation stabilization time is the time required for the oscillator to stabilize after V
reaches 2.7 V (2.9 V for the HD4074329 and HD4074329U, or 3.5 V if V
= 3.5 V to 5.5 V) at
power-on or after RESET input goes high after stop mode is canceled. At power-on and when
stop mode is cancelled, RESET must be input for at least t
to ensure the oscillation
stabilization time. If using a crystal oscillator or a ceramic oscillator, contact its manufacturer to
determine what stabilization time is required, since it will depend on the circuit constants and
stray capacitances.
3. The oscillation stabilization time is the time required for the oscillator to stabilize after V
reaches 2.7 V (2.9 V for the HD4074329 and HD4074329U) at power-on—at least t
must be
ensured. If using a 32.768-kHz crystal oscillator, contact its manufacturer to determine what
stabilization time is required, since it will depend on the circuit constants and stray capacitances.
4. Refer to figure 49.
5. Refer to figure 50. The t
cyc
unit applies when the MCU is in standby or active mode.
The t
unit applies when the MCU is in watch or subactive mode. t
subcyc
= 244.14
μ
s (32.768-
kHz crystal)
6. Refer to figure 51.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 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 |
| HD404324S | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer designed to increase program productivity |
| HD404324U | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer designed to increase program productivity |
| HD404324UFS | 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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