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參數(shù)資料
| 型號： | UPD30181AYF1-131-GA3-A |
| 廠商： | NEC Corp. |
| 英文描述： | 64-/32-BIT MICROPROCESSOR |
| 中文描述： | 64-/32-BIT微處理器 |
| 文件頁數(shù)： | 14/72頁 |
| 文件大?。?/td> | 447K |
| 代理商： | UPD30181AYF1-131-GA3-A |
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Data Sheet U16277EJ1V0DS
14
μ
PD30181A, 30181AY
(3)
Initialization interface signals
Signal Name
I/O
Function
Alternate Function
POWER
I
V
R
4181A activation request (power switch) signal
When the rising edge of this signal is detected in Hibernate mode, an
activation factor occurs (the V
R
4181A restores to Fullspeed mode).
–
RSTSW#
I
V
R
4181A reset signal
This signal initializes the internal statuses of all resettable devices except
the RTC timer, PMU, GIU, and PWMU channels 0 and 1.
–
RTCRST#
I
V
R
4181A RTC reset signal
This signal initializes the internal statuses of all resettable devices,
including the RTC timer. When supplying power to a device for the first
time, be sure to set this signal as active for external circuits.
–
POWERON
O
V
R
4181A activation indication
When an activation factor has been detected, this signal becomes active
(high level) for a specified amount of time.
–
MPOWER
O
V
R
4181A operation in progress indication
When 2.5 V circuits are operating, this signal becomes active (high level).
In Hibernate mode, it is inactive (low level). When this signal is inactive,
the 2.5 V power supply can be stopped.
–
Remarks 1.
Activation factors are used to restore from Hibernate mode to Fullspeed mode.
2.
For further description of the operation of initialization interface signals, see
Hardware User’s
Manual
.
(4) Clock interface signals
Signal Name
I/O
Function
Alternate Function
RTCX(2:1)
–
32.768 kHz crystal resonator connection pin
–
CLKX(2:1)
–
18.432 MHz crystal resonator connection pin
–
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