參數(shù)資料
型號: M32000D3FP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 66.6 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 12/155頁
文件大?。?/td> 1340K
代理商: M32000D3FP
M32000D3FP User's Manual
POWER MANAGEMENT FUNCTION
8-5
8.2 Standby mode
______
Fig. 8.2.2 Return from standby mode on input of WKUP signal (master mode operation)
A8 to A30, SID, ST, R/W, BCH, BCL, BS, BURST
Upon return following the WKUP input signal being input, it takes 40 s (max.) to switch to normal
operation mode from self-refresh mode. Access requests to the internal DRAM occurring during
this period are delayed until the completion of the mode switching.
The above operation is given for the case when the state immediately before switching is idle.
When the M32000D3FP is in the hold state immediately before switching, the following pins are in
the high-impedance state while in standby mode and while returning to normal operation mode.
In this case, vector fetch is not carried out after returning to normal operation mode, until the hold
state is released.
Notes 1: Input the WKUP signal for at least 2 ms to stabilize oscillation in the clock generating circuit.
2:The idle cycles of 2 to 10 CLKIN periods are inserted after the WKUP signal is returned to an "H" level.
3: The shaded area is undefined.
4: "Hi-z" means high-impedance,
indicates sampling timing.
CLKIN
STBY
BCH, BCL
D0 - D15
DC
R/W
BS
A8 - A30
SID, ST
BURST
Hi-z
WKUP
returning period to
normal mode
(see note 1)
operation start
(vector fetch)
(see note 3)
standby mode
Idle
(see note 2)
1
2
(see note 4)
q
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