參數(shù)資料
型號： HD404629R
廠商： Hitachi,Ltd.
英文描述： AS Microcomputer Incorporating a DTMF Generator Circuit(微計算機帶雙音多頻發(fā)生器電路)
中文描述： 由于微機安裝有雙音多頻發(fā)電機斷路器（微計算機帶雙音多頻發(fā)生器電路）
文件頁數(shù)： 148/155頁
文件大小： 549K
代理商： HD404629R
HD404629R Series
148
AC Characteristics (HD404628R, HD4046212R, HD404629R: V
= 2.7 to 6.0 V, GND = 0 V, T
=
–20
°
C to +75
°
C; HD4074629: V
CC
= 2.7 to 5.5 V, GND = 0 V, T
a
= –20
°
C to +75
°
C, unless otherwise
specified) (cont)
Item
Symbol
Pin(s)
Min
Typ
Max
Unit
Test Condition
Notes
External clock
t
CPf
OSC
1
—
—
150
ns
f
OSC
= 400 kHz
4
fall time
—
—
75
ns
f
OSC
= 800 kHz
4
—
—
35
ns
f
OSC
= 2 MHz
4
—
—
20
ns
f
OSC
= 4 MHz
4
INT
0
–INT
4
,
EVNB
,
EVND high widths
t
I H
INT
–INT
4
,
EVNB
, EVND
2
—
—
t
cyc
/
t
subcyc
—
5
INT
0
–INT
4
,
EVNB
,
EVND low widths
t
I L
INT
–INT
4
,
EVNB
, EVND
2
—
—
t
cyc
/
t
subcyc
—
5
RESET high width
t
RSTH
RESET
2
—
—
t
cyc
—
6
STOPC
low width
t
STPL
STOPC
1
—
—
t
RC
—
7
RESET fall time
t
RSTf
RESET
—
—
20
ms
—
6
STOPC
rise time
t
STPr
STOPC
—
—
20
ms
—
7
Input capacitance
C
in
All pins
except D
11
—
—
15
pF
f = 1 MHz
V
in
= 0 V,
D
11
—
—
15
pF
HD404628R,
HD4046212R,
HD404629R:
f = 1 MHz,
V
in
= 0 V
—
—
180
pF
HD4074629:
f = 1 MHz,
V
in
= 0 V
Notes: 1. Be sure to set system clock selection register (SSR) bits SSR1 and SSR0 to match the system
clock oscillator frequency.
2. Applies to voltage ranges V
CC
= 3.5 to 5.5 V for the HD4074629.
3. There are three oscillator stabilization times.
(1) At power on, the time between the point where V
CC
reaches 2.7 V and the point where
oscillation has stabilized.
(2) At clearing stop mode, the time between the point where the RESET pin reaches the high
level and the point where oscillation has stabilized.
(3) At clearing stop mode, the time between the point where the
STOPC
pin reaches the low level
and the point where oscillation has stabilized.
At power on or when stop mode is cleared, RESET or
STOPC
must be input for at least t
RC
to
ensure the oscillation stabilization time.
Since the oscillator stabilization time will depend on circuit constants and stray capacitances,
determine the oscillator by consulting with the oscillator’s manufacturer.
Be sure to set miscellaneous register (MIS) bits MIS1 and MIS0 to match the system clock
oscillator stabilization time.
4. Refer to figure 108.
5. Refer to figure 109. The t
unit applies when the MCU is in standby or active mode.
The t
subcyc
unit applies when the MCU is in watch or subactive mode.
6. Refer to figure 110.
7. Refer to figure 111.
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相關代理商/技術參數(shù)
參數(shù)描述
HD404629RFS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD404629RH 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:AS Microcomputer Incorporating a DTMF Generator Circuit
HD404629RSERIES 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HD404629RTF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD404629TF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
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