參數(shù)資料
型號: MB90W224AZF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQFP120
封裝: CERAMIC, QFP-120
文件頁數(shù): 64/105頁
文件大?。?/td> 1800K
代理商: MB90W224AZF
61
MB90220 Series
15. Low-power Consumption Modes, Oscillation Stabilization Delay Time, and Gear Function
The MB90220 series has three low-power consumption modes: the sleep mode, the stop mode, the hardware
standby mode, and gear function.
Sleep mode is used to suspend only the CPU operation clock; the other components remain in operation. Stop
mode and hardware standby mode stop oscillation, minimizing the power consumption while holding data.
The gear function divides the external clock frequency, which is used usually as it is, to provide a lower machine
clock frequency. This function can therefore lower the overall operation speed without changing the oscillation
frequency. The function can select the machine clock as a division of the frequency of crystal oscillation or
external clock input by 1, 2, 4, or 16.
The OSC1 and OSC0 bits can be used to set the oscillation stabilization delay time for wake-up from stop mode
or hardware standby mode.
(1) Register Configuration
Note: The initial value (*) of bit0 to bit3 is changed by reset source.
0000A0 H
(W)
(R/W)
STP
SLP
SPL
RST
OSC1
OSC0
CLK1
CLK0
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
STBYC
0001* * * *
Register name Address
Initial value
Standby Control Register (STBYC)
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